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Enjoy!

"Chicago PD!" Jay yelled before bringing his foot up to kick in the door. The team rushed in and he filed in, Erin right behind him.

The suspect they were after was wanted in the recent murders of three local college kids. Normally, that would be passed off the homicide, but they were all students at Northwestern and one of the boy's fathers made a call to the superintendent. It wasn't long after they barged into the house that they spotted a man running out the back door.

"I've got him!" Erin said before running to follow him. Jay didn't hesitate to follow his partner. Their foot chase didn't take long to catch up to him and Jay increased his stride in the last few yards so he was close enough to grab onto the guy's shoulders and slinging him to the ground.

"You're under arrest," he said as Erin passed him a pair of handcuffs.

"We've got him," she radioed to the rest of the team.

"I swear, I didn't do it!" their suspect breathed out.

"Oh yeah? You didn't do what, because we haven't said anything," Jay replied as he pulled him off the ground.

"So, you're not arresting me?"

"I just said you're under arrest, so what do you think?" he shot back before leading the guy back to where the Sierra was parked.

The rest of the team was there as well, surveying the scene and packing up to head back to the district. Erin opened the back of the truck to allow Jay to practically shove their suspect into the backseat.

"Alright, everyone head back. Halstead, Lindsay, get him in interrogation when you get back. Ruzek, you're with me," Voight said before turning to head back to his own car. Everyone nodded as their sergeant walked away and made their way back towards their respective vehicles.

Before Erin could turn to get into the driver's seat, Jay snatched the keys from her hand.

"My turn," he said, not bothering to look over his shoulder where he missed the middle finger his partner was giving him.

As they climbed in and shut the doors, the guy in the backseat stared rambling nonsense about how he was innocent and they had the wrong guy.

"Yeah and why do you think we arrested you?" Erin asked.

"I swear I didn't know anything about the drugs!"

"Oh," she said, turning to look at her partner. "We didn't arrest you about drugs, but feel free to share."

He started to defend himself again but was cut off by Jay.

"Hey, do you mind not running your mouth?"

That shut him up quicker than anything and Jay let out a deep sigh.

"What is it with these guys that think they can just talk all damn day?" he asked, the rhetorical question aimed at his partner, who just shrugged.

"I dunno," she replied.

"I had half a mind to throw him into the cage if he kept on talking."

"Nahh, besides I had half a mind on interrogating that other prisoner there later."

Jay slammed on the brakes, looking over at Erin to find her smirking while their suspect smacked his head on the back of Erin's seat.

"Do you mind?" he asked.

"Uhh no," Jay replied before driving again as his eyes kept darting over to Erin, who apparently wasn't done.

"You know? The one I caught last night. Thought we needed to have more of a talk."

Jay felt his jeans suddenly become too tight and avoided looking over at his girlfriend. He was hoping she wasn't talking about what he thought she was talking about.

For once in his career, Jay was glad their suspect kept talking as he apparently thought Jay's brake-slamming earlier gave him a free pass to talk. The remainder of their drive was filled with the sound of this guy's annoying voice while Erin took a call from Burgess.

Fifteen minutes later, he pulled into the roll up where Ruzek was waiting for them. They got out of the truck, Jay opening the back door to pull the guy out of the backseat.

"He's all yours," he told Ruzek, walking the guy over to him.

"We're going to have some fun," Ruzek told him before dragging the guy upstairs. Jay watched the door close shut before walking back over to the truck to move it back out to the parking lot. But he was stopped when he heard the bay door shut and watched his girlfriend walking over to him.

"So, Detective Halstead, you good?"

His mouth suddenly went dry but he sure as hell wasn't gonna let her get any satisfaction.

"I'm not sure what you mean?"

Erin didn't say anything, just looked over his shoulder before grabbing his belt and pulling him towards her.

"What are you doing?"

Again, she didn't say anything, just smiled and walked backwards into the cage.

"Erin," he began. There was no way…

Before he could finish that thought, she had him pushed up against the chain link fencing, her hand going to his holster and pulling it off, setting it on the bench beside them.

"Oh my god," he breathed as she cupped him through his jeans, the slight problem he had becoming an even bigger problem and there was nothing he could do about it.

"Well," she whispered, her lips dangerously close to that spot below his ear that made him lose control. "Voight and Ruzek are in interrogation, Al is still on leave and Burgess and Atwater are out. So, we have this entire place to ourselves."

At that moment, her lips latched onto his neck while her hands went to his belt, her fingers quickly undoing the buckle and the button on his jeans. Before his mind could process her words, one hand made its way into his boxers and the other pulled the zipper down.

"Erin," he struggled, all air leaving his lungs.

"Yeah?"

"Anyone could walk in here."

"I know," she said, her eyes locked on his as she sunk to her knees. "That's what makes this so much hotter."

Jay couldn't say anything else as her mouth enveloped him.

"Oh god, babe," came his strangled voice, one hand falling to her hair while the other gripped the fence behind him.

Never in his wildest dreams did he think this would happen, but here they were, in the cage, at their place of work while his partner and girlfriend was doing this.

He wasn't sure what sounds were coming out of his mouth as Erin's lips were around his dick, her tongue doing the most satisfying things to him. She knew everything that got to him and right now she was pulling out all the stops.

"Come on, babe," she said, her hand continuing while she talked to him.

Jay could feel himself getting closer and closer, even as the simple thought that this was happening here enough to spur him on. Erin's mouth once again took him all the way to the hilt, something no other woman had ever been able to do to him before.

He didn't have much time to give her any warning before he exploded in her mouth after her free hand found its way to his balls. He bit down on his lip to avoid anyone finding out what was going on.

"Fuck," he whispered, opening his eyes and looking down at his girlfriend, her cheeks flushed and hair messed up from his hand, but she was smiling up at him.

"The things you do to me, woman."

Smile still in place, she used one hand to wipe her mouth as she stood up, the other keeping a hand on his dick, her thumb swiping over the head.

"More like the things you do to me. It is hot as fuck to watch you when we're on a bust. That ass when you're kicking in a door? I will gladly chase suspects after because it cools me down."

He laughed then, one arm wrapping around her waist to pull her closer.

"Besides, I told you I had to finish talking with that prisoner. He didn't exactly help me last night."

Jay laughed again, this time at her corniness, even as he felt his dick begin to get hard again. He remembered last night well. They were on the couch and getting carried away, Erin's hand already in his shorts when Voight called. There was nothing worse, he was sure of it, that deflated the mood so quickly. Even as Erin had tried to get things going again, there was no coming back from that.

He had to admit though, even if he wouldn't say it to her face right then, this was much appreciated.

Not even caring, he pulled her close, his lips finding hers. The kiss got hot fast and that may have something to do with the fact her hand was still wrapped around him. As much as he wanted to keep kissing her, he knew they didn't have much time. Reluctantly, he pulled away.

"You can certainly be persuasive, Miss Lindsay."

"What can I say? It helps that you can be easily persuaded."

"Touché."

Erin laughed as she watched him tuck himself back into his jeans. As he buckled his belt back, he watched her hand him his gun, grateful she at least had the mind to remove it before going down on him.

"You know, I'm glad you don't keep your holster inside your waistband anymore."

"Oh? I thought you liked it. Always caught you staring."

Erin scoffed, running a hand through her hair to make it somewhat presentable.

"Oh, I did, but I would hate for something to happen," she said, her hand cupping him again, giving him a light squeeze. "That would be tragic and then where would we get baby Halsteads?"

Jay's head snapped to hers, his task to re-holster his gun forgotten as he stared at his girlfriend.

"Umm, what?"

"Well not now, but maybe one day."

Now it was his turn to smile at her, his arm reaching out to pull her closer to him, his mouth inches from hers.

"Oh definitely," Jay replied before kissing her again.