A/N: this is a Covenant CSI crossover. There will be slash. If anyone has Ideas for parings tell me, and I'll think it over.

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Chapter 1: Viva Las Vegas

Ispwich, Massachusetts

The bell signaling the beginning of summer vacation for the students of Spencer Academy rang. Several hours later four teens -Caleb Danvers, Pogue Parry, Reid Garwin, and Tyler Sims- were packing their bags for Las Vegas.

"Hell yeah, we're going to Vegas!" Reid exclaimed as the four teens got to the airport.

Tyler looked up from the book he was reading while they waited for their plane to start bording. "You realize that we have to be twenty-one to do the 'fun' stuff, right? Besides, while you guys are unoficially adults I have to remind you that I am still a minor, even though I will turn eighteen in a week."

"Yeah, yeah. We get it mom." Pogue teased. "However, you're looking over one teensy-weensy little detale. We have the power to be as old as we want." He pulled out his ID and showed it to Tyler. Pogue's eyes turnned black and the information on the ID read that he was twenty-one.

Tyler rolled his eyes. "Wow, that's really cleaver of you." Tyler said in a monotone voice. He then furrowed his eyebrows as he saw Caleb and Reid doing the same thing. "I give up."

"What's wrong with changing the age on your ID?" Reid asked. "Give me yours, I'll edit it too." He leaned over Tyler and tried to reach into his pockets. Tyler squirmmed and slapped Reid's hands away.

"Stop it Reid, I won't let you use up your powers, expecially on me."

"But it's only changing your age. I'm not doing anything big for it to take away a large chunk of my life."

"It all starts out small, then you'll become addicted and start using twenty-four seven. I refuse to be a part of it. So now, if you'll excuse me, I'm going to return to my book."

The others didn't take any heed to what Tyler had said. They were too excited about their trip to Las Vegas.

Las Vegas, Nevada

Greg Sanders was having the time of his life. It was his day off and he had just left a really sweet rock concert. He had bought several suvineirs from the band -CD, T-shirt, poster, stickers- in his side bag. He decided to cut through an alley to get to his apartment.

Suddenly Greg was thrown against the brick wall of one of the buildings. The troubling thought that registered in Greg's mind was that no one had even touched him. He was thrown by some untangable force that now held him still. He opened his eyes and saw a man younger then himself -late teens to early twentys- standing in front of him.

Althought the man was younger than him, he couldn't help but be scared out of his mind. It wasn't the pitch blackness of the younger man's eyes that scared him, it was the power he could feel pulsating from him. The sixth sence that he had inherited from his nana Olaf was working overtime right now. He knew that this kid was capable of committing murder without blinking an eye and that he had already done so.

Greg filnched as the younger man reached out and touched the side of his face. "You know I've been waiting to do this since I saw you at that concert. I guess this is what you get for looking so hot." You younger man mocked.

"W-who are you?" Greg manage to force out, his voice trembling in fear.

The young manran a fingeracross Greg's cheek and rested it on the older man's lips. "My name is Chase. If you want more information ask Tyler."

Greg furrowed his brows. What the... who is Tyler?

Chase moved closer to Greg and kissed him, forcing his tongue into Gregs mouth. He then felt a pulse of energy run through him, forcing him to moan into Chase's mouth. Greg felt Chase smirk at his involentary moan. Another pulse of energy ran through him, except this time it was a little bit different, this time an image started to form in his head. He could tell it was a person, but it was a blured image. To take his mind off of what Chase was doing to him, Greg focused on the image that got crearer every time there was a pulse of energy.

Whe the image was clear in Greg's head Chase pulled away. "That is Tyler." Chase said with a smirk. "I would like to commend you commend you on how fast you received the image. Although it's a pity, I would have liked it to last longer." He then chuckled and caressed Greg's cheek with his thumb. "You're a pretty good kisser, did you know that. I never expecter you to kiss back."

Greg's eyes widened and his mouth opened slightly in shock. He didn't realize that he had kissed back, that his body had betrayed him. He skimmed his mind for a lie to cover for his actions. "I made myself believe it was Nicky kissing me and not you." Greg said as coldly as he could in a situation like this.

"Nicky? Is that your girlfriend?" Chase asked grinning like a madman.

Greg glared at Chase. "Nick is my boyfriend." Greg growled. He didn't like the younger man calling Nick Nicky. Only their friends and himself could call him Nicky.

"Now, now, don't get feisty. I still have plans for you." Chase said, but before Greg could snap back Chase stopped him. "But for now, you'll have to do as a warning for my real target. Tyler Sims." Chase then sent a torrent of energy into Greg and the older man blacked out.

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A/N: I'm not sure if i want to slash Covenant Characters with CSI Characters, but if you want to see something happen, then I WILL at least think about it. Please tell me if you like. R&R.