Disclaimer: I do not own Criminal Minds and no copyright infringement is intended

A/N: Thanks to all who reviewed. I appreciate the feedback and the support.

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Hotch, Rossi, JJ and Allie were going over the list of gun owners faxed over by Garcia with Allie giving the others the run down on each one. "I really can't believe any of these people would kill someone," she said.

"They probably didn't," Reid said walking into the room, followed closely by Morgan and Prentiss.

"What do you mean by that," Rossi asked. "Do you think you know who did this?"

"Yeah, I do, if Garcia calls and confirms my suspicions," he said as he walked over to the coffee machine and poured himself a cup adding a liberal amount of sugar.

"Did you meet with the drug dealer," Allie asked, getting up from her place at the table and crossing the room to stand by him.

"Yeah, I did. Your former classmate, Mickey turned me on to the guy when I told him I was running low on my drug of choice and needed to get some."

Emily's eyebrows shot up, "And he believed that," she responded.

"Been there, done that Emily. I can be pretty convincing, believe me." Reid sat down at the table. Allie dug in the box of donuts and put one on a plate supplied with the room and placed it in front of Reid. "Thanks, I didn't eat breakfast." He said as he bit into the pastry covered with sprinkles.

As he was chewing his cell rang. He quickly swallowed and answered, "Reid."

"Hi baby face."

Reid smiled, "Hi Garcia, have you got good news for me?" He put Garcia on speaker.

"I checked on the gun registration and there is that type of rifle registered to the father. There's also a PO box registered in his name. Some clostridium botulinum was ordered from Gen Star Labs and sent to that PO box. Paid for by a credit card belonging to the son."

"Now I also checked on a life insurance policy like you asked and lo and behold smarty pants, Darcy did purchase one about four months before she died. You were dead on with the beneficiary."

"Thanks Garcia, that's a big help," Reid replied.

"I'm here if you need anything. Bye for now sweetcheeks.

"Bye Garcia." Reid ended the call and turned to the group sitting at the table waiting impatiently.

"Well," Morgan said.

"I think I know what we're dealing with and if I'm right everything makes sense."

"Reid, just tell us," Hotch sighed. He loved the way Reid's mind worked but the long explanations frustrated him at times.

"Last night when I was in bed, something kept going through my mind. Something someone said that I couldn't quite remember," Reid began.

Morgan laughed, "Hey, I thought you had an eidetic memory."

"I do Morgan, but that's primarily for things that I read. This wasn't something I read, it was something somebody said."

"Can we please get on with it before I'm any grayer than I am now," Rossi interjected.

"Finally," Reid continued, "It came to me." The group sighed and waited. There was no way they were going to speed Reid up in telling his story so they might as well just sit back and listen, they decided.

"It was something Garcia said when we talked about Darcy's accident and that Darcy had been high as a kite on cocaine. She said, at least Darcy only killed herself and not some innocent person on the roadway."

He looked at his team like he had just explained the meaning of life and they stared back at him blankly.

"Don't you see, Garcia hit the nail on the head when she said Darcy only killed herself. Darcy…killed…herself. Her "accident" wasn't to hide a murder but to cover up a suicide!"

"But," Allie said, "I thought Darcy was the first murder."

"That's what I thought too but her murder never made sense with the others, they were polar opposites but now that I'm convinced her death was a suicide, everything else makes perfect sense," Reid said excitedly.

"How's that Reid, I'm still not understanding what you're getting at." JJ's face displayed her confusion.

"Don't you see, Darcy's death was the stressor? Losing his twin to suicide made Daryl Kullman snap and he went after those he'd felt wronged his sister leading to her killing herself." He stood and went over to the cork board. "Brian Dalton bullied Darcy mercilessly with Drake and Lorne as his trusty sidekicks. Look at the girls, cheerleaders and the prom queen. The cool girls lording it over the fat girl, am I right," he looked at Allie who nodded.

The team looked at the cork board, their mouths open. It all made sense now. "I'm sure Daryl got a note but has never shown it to anyone preferring the world believe his sister perished in an MVA. Darcy bought an insurance policy before she died. Daryl was the beneficiary but of course it wouldn't pay out for a suicide so she had to make it look like an accident."

"Okay, two questions, how can you be sure it was a suicide and how did Daryl know where everybody would be so he could kill them," Allie wondered.

"Garcia told us most of your class is on Facebook," Emily told her. "Everybody tells their "friends," she made quotation marks with her fingers, "Where they are and what they're up to."

"I'm on there," Allie said, looking physically sick.

"If it's any consolation," Rossi said, "You'd probably be one of the last people Daryl would hurt. You were Darcy's lab partner and you were okay with it. You were kind to her. Daryl would probably remember that."

"I'm sure about the suicide because Nick Morelli sold the coke to Darcy herself, not to someone who forced her to take it. Nick said she wanted to know if it would stop the pain. I don't think she was talking about emotional pain because she knew that would be over soon. I think she meant the physical pain of the accident."

"So what do we do now," Allie asked?

"We get a warrant for the gun owned by Daryl's father and do a ballistics match with the bullet recovered from Drake Holloway," Hotch informed Allie.

"We have the clostridium botulinum order from Gen Star. We can get some of the same toxin and make sure it's a match with what Marla ingested," Rossi added.

"Can we arrest him with what we've got," Allie looked at the group?

"We could bring him in on suspicion," Morgan answered.

The group turned to Hotch, "Let's do it. Then no more of Allie's classmates are in danger." He added, "JJ, get in touch with Detective Hollis. Have him gather the families of the victims together and you and he can inform them that their family members were murdered. I don't want them hearing about this on the news. Don't give any details; just tell them we're following some leads. Morgan get the warrant for the Kullman's father's rifle"

JJ alerted the Lancaster PD that they would be bringing a suspect in on suspicion of murder and relayed to the team that LPD would meet them there. She then set off to meet with Detective Hollis.

They proceeded to the home of Doug and Marie Kullman, where Daryl stayed when he was in town, and took a somewhat surprised Daryl into custody. Allie, who was allowed to come with the agreement she would remain inside the SUV, was relieved when she saw the doors of the police car close on her former classmate

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Hotch and Reid were in the interview room questioning Daryl Kullman. "Why did you order clostridium botulinum from Gen Star Labs," Reid asked?

Daryl was sitting in a chair across from Reid, one wrist handcuffed to the table. "That's not illegal. I was working on an experiment. I am in grad school at Ohio State, you know," the prisoner supplied.

"Then I'm sure you'll be able to produce the documentation all scientists keep on experiments," Reid continued.

The door to the interview room opened behind Reid and a voice said, "Questioning stops now gentlemen."

Allie, watching from observation said, "Oh no, this is not good."

Reid turned, his eyes widening at the new arrival, "Mr. Graham!"