Disclaimer: I do not own Supernatural, Criminal Minds, or anything else you recognize.

Warning: Language. Mild Violence. Sastiel. Past Mpreg.

AN: I'm going to try and make it as much like Criminal Minds as I can. So according to Dean and Supernatural Wiki, Dean never finished high school and just got his GED, so for this story just imagine that's not true. In my opinion Dean is a lot smarter(education wise) than he's let on in the show. So keep that in mind when reading.

Chapter One:

Fifteen Years Ago

"Dean, take your brother and go around back," ordered John. He cocked his gun. "Watch each other's backs. Go!"

Dean nodded and together he and Sam went around to the back door. Dean went in first in case something jumped out; at least then he would get hit and not Sam. Many brothers his age never took their duty as big brother to the same level as he did. Sam was his responsbility, and he would always put him before anyone else. Their dependecy on each other was both wonderful and unhealthy, but it's not like it was anyone else's concerrn except theirs... not even their father's.

Dean stepped in slowly, and took a quick look around. He was getting better at only taking a moment to look around for any possible danger, what they could use for weapons in case theirs were of no use, and exits in case he needed to get Sam out. As much as he enjoyed being a hunter, Sam's safety was first priority.

He was about to address Sam, when he heard movement upstairs. He looked at Sam, and was glad they were so close that they can communicate silently. Sam followed Dean upstairs and they made their way to the source of the sound.

Both brothers had their guns ready. Dean stood in front of the door he knew the noise was coming from. He was about to kick the door in when he spun around and came face to face with their dad.

"Are you boys okay?" John asked looking them up and down for any injuries.

"We're fine. I heard noise in here," Dean said motioning to the door.

"I know. I heard it too. I was scoping out the other rooms in case there were more."

Without a second longer, Dean backed up for John. Not having to use that much strength, John kicked the door in. As soon as John stepped into the room, he was thrown across to the other side; his head slamming into the wall knocking him out.

"Dad!" yelled Sam.

The witch used her magic to throw Sam back out of the room... the door slamming shut refusing to open. Dean fired off three shots, but each shot missed her by an inch. Dean could hear Sam pounding on the door, but Dean couldn't worry about him at the moment. Before Dean could fire another round, the witch threw him back against the wall holding him there. He cursed when his gun fell to the floor.

The witch walked up to him looking very smug. She looked him up and down. Even though Dean hated witches, he couldn't deny she was beautiful. Her brown hair was kept in a high pony tail. Her slim figure was covered by a sexy black dress.

"Dean! Dad!" yelled Sam from the other side of the door.

"Don't come in!" Dean ordered back. He couldn't let Sam come in and get hurt.

"You love your brother, don't you?" Dean ignored her. She put a hand out and touched his cheek. "How sad... to give up your wants and dreams for your family. Are they worth sacrificing what you want?" It was strange that the witch actually looked concerned. She turned to look at his dad lying on the ground, and then back to him.

"I don't usually do this, but because of how amazing you are to give up what you want for your family, I will."

"What-" Dean was cut off when the witch began to chant. He didn't know if what she was chanting was going to hurt him, but at least it wasn't going to be Sam. He would never be able to live with himself if Sam was hurt because of him.

When she was done speaking, for a moment he didn't feel any different, but then he felt a tingle in his chest; he felt lighter... like a weight has been lifted off his shoulders... a weight he's been carrying ever since he was four. Before he could speak, the door burst open with Sam pointing his gun at her.

"Wait!" Dean managed out, but it was no use. As soon as the word left his mouth, Sam pulled the trigger. One bullet straight through the heart.

Dean fell to the ground. He told Sam to check on their dad, and when Sam did he could only stare at the body of the witch. He came tonight to kill a witch who was using magic to harm others. He was a hunter, and he hunted evil things. After feeling what he did from her magic, he was starting to question if she was ever evil...

A few days after, Dean was laying on the bed while Sam was watching TV. He couldn't get what happened with the witch out of his head. He had never brought a case home with him, and now that he has he didn't know what to do about it. He couldn't talk to their dad seeing as how he lied to him about what happened. He couldn't speak to Sam about it even though he could talk to him about anything.

"How sad to give up your wants and dreams for your family. "

Dean had never told anyone, not even Sam, about his dreams. Regardless if he loved hunting, he still dreamed about something else. He didn't want to keep being a hunter. He wanted to do something more with his life. He wanted a family of his own, and to live normal and safe. He knew that as long as he was with his family, he would never have that.

"Are they worth sacrificing what you want?"

Dean scoffed. Of course they were worth it. But... would it be wrong if he sometimes had second thoughts?

Two days later, John was sitting at the table looking over a newspaper article. He had gotten word from Bobby that there was a Wendigo in the area that needed to be put down. John had dealt with a Wendigo twice before, so he knew how to handle this one. He looked at his boys and knew right away that Sam wouldn't be able to come with them.

John was proud of Sam for his improvements, but he felt that Sam wasn't ready for a Wendigo. If Sam did come along, John knew that he would be too worried about him and not focused on the hunt. Although he hated to tell Sam that he would have to stay behind, his son's well being was more important.

"Dean?" John called out. Ever since they finished with the witch almost a week ago, his son had been acting strange. He was worried about him, but he knew Dean would think he was possessed or something if he showed any concern.

"Yeah?"

"There's a Wendigo a town over. So we'll be leaving in the morning." He put the newspaper away, and he prepared himself for Sam's complaints.

"What about me?" Sam asked turning down the volume on the TV.

John sighed. "This is too dangerous for you. You're not ready."

"But Dad-"

"Do not argue."

Sam got to his feet clearly angry with his dad. "But I can do it!"

"I said no!" John hated to raise his voice at Sam, but he felt strongly that one day Sam would understand why he was always so hard on him... more hard on him than Dean. Besides it wasn't his job as a parent to worry about his son liking him. It was his job to raise his sons right, and if that meant saying no to Sam for certain cases until he felt that he was ready then so be it.

Sam huffed and went back to the TV. He hated it when his dad didn't let him come along. He was a Winchester dammit! He needed to be out there with his dad and Dean fighting monsters. Although he hated leaving all the time, he really did want to be out there helping his family. He really wanted to live normal, but deep down he just wanted to be on the same level with his brother.

Dean looked at his brother sadly. He knew it was time to talk with his dad. He stalled for a couple of days, but he knew it was time. The way his dad was treating his brother because of hunting was ridiculous. Because it was his job to take care of his brother, he knew he was in his right to say something.

"Dad?"

"Hmm?" John didn't look up from writing in his journal. It was important that he write as much as he could, because one day he won't be here and his sons are going to need this. Maybe Sam and Dean could even add to it or write their own.

"We need to talk."

"About what?"

"Don't you think this has gone on long enough?" Dean sat down across from his dad. He didn't want to do this, but he knew it had to be done.

"What are you talking about?" John asked still not looking up from his journal.

Dean sighed. "Dad, you need to stop telling Sam that monsters are real."

John froze instantly. For just a moment he thought Dean was joking, but as soon as he looked at his son's face, he no longer thought that. John pushed his journal away, and gave his son his attention. He had no idea why Dean would say that.

John furrowed his brow clearly confused, "And why would I do that?"

Dean leaned forward. "I know you enjoy all this supernatural stuff, but you need to realize that this isn't what Sam needs. I know after Mom died, you needed something to latch onto, but you can't dump your delusions onto Sam."

It had taken a few moments to realize that Dean was being serious. This wasn't a joke, and it was starting to freak him out. He never would've expected Dean to be saying this... ever. Then something Dean said caught up to him.

"Delusions?" John leaned back in his chair. "Why would you say that?"

"Dad, it's okay," Dean reached out to touch his dad's hand, "There's help out there, don't be afraid to ask for it."

John was starting to think his son was possessed, but when he looked at the salt lines in the room they were fine. He took his hand away, and he seriously wanted to laugh. This had to be some fucked up dream, right? "If I'm having delusions then you must be having them to, because not too long ago you were right there fighting those things with us!"

Dean shook his head, "I thought I saw those things, but none of it was real!" Dean rose to his feet obviously angry.

Sam looked over at his father and brother and frowned. He knew that something was different about his brother, but he didn't realize it was this. He got off the bed, and went to stand next to his dad.

"Of course, it's real. We all saw the monsters. We even hunted a witch. Dean, why are you saying this? What's wrong?" Sam asked.

Dean looked at his brother, then back to his father. "You see what you're doing?! All because you couldn't grieve right, Sam killed an innocent woman."

John pushed Sam out of the way, and stood up in anger. "I listened to this long enough. I don't know what the hell is going on with you, but you need to stop."

Dean rubbed his face in frustration. Why couldn't his dad listened to him? These delusions about monsters need to stop. He could only imagine what this was going to do to his little brother in the long run.

"I can't do this anymore. I'm tired of going from town to town fighting monsters that aren't real. I barely finished high school with top grades, and it wouldn't have been as much as a problem if we didn't move around so much."

"You know damn well why we moved around. We're trying to find the demon that killed your mother!" John didn't know what the hell was going on with Dean. He never expected this from him... maybe from Sam but never Dean. Something was wrong, and if he wasn't angry from what he was hearing, then he would look into it.

Dean was pacing back and forth looking from his dad and brother. "I got my acceptance letter to the University of Maryland. And I-"

There was tension in the air as soon as the words left Dean. John's eyes widened, "Acceptance letter? When were you going to tell me you applied to college?"

Dean knew his mistake as soon he said it. When he applied, he didn't think he would get in and when he did he didn't know how to react. He didn't even know if he was going to go, but deep down he really wanted to.

"I was going to say something sooner, but it doesn't matter. If I do, I don't want to leave knowing you might not be able to take care of Sam."

Okay that was completely uncalled for. John stepped forward in anger, but refrained himself from doing anything he'll regret later. "Excuse me, but I know damn well how to take care of my son."

"Dean, you're leaving us?" Sam asked feeling lost. Dean said that they would always be together. Dean said he would never be alone. "But we haven't found the demon yet." Sam was beginning to feel tears in his eyes.

Dean sighed. He felt so much older and tired than he should. "There was no demon. It was just a terrible accident that killed Mom, and almost killed you... nothing more."

"I don't know what brought this on, and right now I don't fucking care. You want to go to college instead of helping us find the demon that killed your mother, then go! Let me tell you something, if you walk out that door... don't you ever come back!" With nothing more to say, John grabbed his keys and wallet and left.

Both Sam and Dean stared at the door not knowing what to say. Sam didn't want his brother to leave them. Yeah, sometimes he wished that they lived normal, but he was okay with being with his family. He never knew their mother, but that didn't mean he didn't want justice for her. She died to save him, and he wasn't going to let her death mean nothing.

Dean couldn't believe his dad. All he wanted to do was help him grieve properly so he wasn't dumping all his issues onto Sam. His brother was only fourteen, and he's already killed a woman. What kind of father would do that to his child? He just wanted a life of his own.

"Dean, please don't go." Sam begged. "You can't leave me here alone."

Dean closed his eyes not able to look at his brother's distraught face. "I'm sorry Sam, but I can't keep going on like this. I need a life of my own, and I can't have that if we're chasing imaginary monsters." He turned away from Sam to begin packing his things. Sam followed.

"You've been different ever since we went after that witch. Did she do something to you?"

"She wasn't a witch, Sam. She was just a woman who believed Witchcraft was real. I was just trying to help Dad. I can't keep turning a blind eye when I know that he needs help."

Sam listened carefully and he said softly, "She did do something. Look, whatever she did we can fix it."

Dean ignored him and continued to pack. He didn't have that much stuff, but a part of him didn't want to leave Sam. He loved his brother, and if he left he couldn't help them understand that none of it was ever real. A bigger part of him wanted to be selfish. He wanted to be his own person.

In the end, he couldn't keep stalling. He grabbed his bag and went to the front door. He opened it, but didn't leave. How could he when his brother was holding on to him? Dean fought every instinct in him to stay. Every child at some point leaves their family to be on thier own, and now it was his turn.

"Dean," Sam cried out not wanting to let his brother go, "please don't leave. You promised me we would always be together. You can't break that promise!" Sam began hitting his brother, and then harder when Dean just stood there taking every blow. "You promised you wouldn't leave me. I can't go on without my big brother. You promised me."

Sam fell to his knees crying but still not letting go of Dean's arm. He loved his Dad, but he loved Dean more. Dean was more of a father to him, and he was always told that family stuck together... that they were stronger together.

A single tear fell down Dean's face. He always hated it when his brother cried, and it was even worse when he was the reason for his brother's tears. Dean dropped his bag, and got to his knees. He pulled his brother into an embrace and his kissed the top of his head.

"I know I promised we would always be together, but one day you'll understand why I have to break that promise. Just because I'm leaving, it doesn't change anything. I'm always going to be your big brother, and I always going to be there when you need me."

Sam didn't respond right away. He needed to get himself under control. It took a few moments then he whispered, "I need you now."

"You could always come with me. I got a full scholarship and it might be hard, but I can take care of you." As soon as the words left his mouth, he knew that they were true. He didn't know how he would do it, but he would take care of his brother. Now that he was eighteen, he could even try to get custody of his brother.

Sam gasped. He looked up at his brother in disbelief. "You would do that, just so we can be together?"

Dean smiled through his tears and nodded, "Yes."

Sam couldn't believe it. Although he didn't know what was going on with Dean, he would do anything to be with him. He always wanted to be like Dean, and now he was given the chance to go with him. When he thought about it, could he really do it? He wanted to be with Dean, but he wanted to get the demon that killed his mother. It was bad enough that their dad was losing one son, how would he react when he lost both? If he did leave, what about all the people that would need the help of a hunter? In the end, he already knew his choice.

"I can't leave," Sam mumbled.

Dean shut his eyes tight fighting hard against the tears. He was praying that he wouldn't hear those words. It was just as bad as being rejected by a date. He wanted his brother to come with him, but he couldn't force him.

"I can't leave Dad alone to go after the demon. He's going to need help with it."

Dean didn't know what to say or if there was anything to say. Sam wanted to stay, and it broke his heart that Sam was going to continue to be in the environment of his dad's delusions. Dean pulled away from Sam and stood up. He ignored Sam's protests.

"Dean-"

"Goodbye Sam."

It was the worse day of Sam's life watching his brother walk out the door to his new life. It was hard watching Dean walk out on his family. It was hard to watch his hero walk out on him. He didn't know how long he sat there crying, but he remembered his dad coming back with dinner, and a few comforting words.

"Don't worry, Sam. We'll see him again one day."

Now

Dean Smith satat his desk going through his paperwork. This was the most boring part of his job. He loved his job, but he would rather be out on the field. It took years to get where he was, and he didn't regret anything. He tried not to think about his life before college, it did him no good.

"Dean, Hotch is calling for us," Derek Morgan said. Dean nodded, collected his things and made his way with his team.

Dean sat at the table with his team waiting for their unit chief Aaron Hotchner. He admired the man for is dedication to his job, and often spoke to him when he had issues with his job that he couldn't work out on his own.

When everyone was settled in, Hotch advised their Technical Analyst Penelope Garcia to begin. "Okay, the police in Souix City got footage of a known murderer, and they need our help. They have gotten word that he has struck again. The police have stated that the footage shows him shooting two men and a woman in the heart."

"Do we have the footage?" asked Dean.

Garcia nodded. "Yes, they did send it over." She clicked the remote at the screen, and they all turned their attention to what was being shown.

The footage showed a man clearly arguing with the victims, and after a short time he pointed his gun and shot them. He then walked up to the camera wanting his face to be shown. What Dean didn't understand was that from the angle of the camera, there was no way you could see his face. If he didn't look at the camera, chances are he would've gotten away with it.

For some reason, the man looked familiar to Dean, but that wasn't possible. How could he know a very dangerous murderer? He didn't listen to his team get debriefed. Hotch dismissed them, but Dean stayed behind. He walked up to the screen, and replayed the video. He paused it when the man stared at the camera. Dean paused it, and stared at the man. He gasped when it struck him who he was staring at. His eyes glistened with unshed tears.

"Sam, what have you done?"

AN: I hope you all liked it. Tell me what you all think. Until next time. -Kauri510