Nah. You can't just be killing nikkas in 2014. Surveillance is everywhere, forensics is crazy good, and nikkas be snitching like theres life depends on it.
Unless you live in a really high crime area and the dudes in that lifestyle i would just leave it alone. I mean if you think you can pull it off... but nah i would probably leave it alone.
If the dudes not with the shyt there is other ways to get back at him that are still fukked up but not a permanent, You can hide inside that nikkas building, knock him out in front of his door, then ring the bell let his momma find lol. Or jump him/bust him in his shyt with a bat real quick then dip out. OR even rob him, strip him down to his undies, and leave his ass in an alley.
If you decide to do that shyt just know what you're doing though. He might call the cops. You can beat it if you just shutup lol. But if you hang with bytch nikkas who're gonna snitch on themselves you betta not.