LITTLE ROCK, Ark. (KTHV) -- Chris Alexander is no stranger to the criminal justice system.

He told THV11 he had no idea he would one day rely on those same officers to find and charge the people who murdered his son. Cyncere Alexander's brother found him shot once in the chest and once in the head at his aunt's Green Mountain Drive Apartment.

"This is coming from me, you know what I'm saying, somebody that's been a lifelong person in the streets, you've got to understand that this tears somebody up,” Chris Alexander, Cyncere’s father said. "They said I couldn't have made it to the stop sign and they had killed my son. So they watched me leave, then they went and killed my son."

Alexander said he gave up his life style of crime to be a family man and moved his family out to West Little Rock to keep them safe and out of trouble.

"I just got my family out to Chenal, somewhere away from the violence. That's all I wanted. And I lost my son trying to do that," he said.

Police said witnesses were helpful that night, and they have someone they want to talk to, but the only description is a 15-20 something black man that was seen leaving the apartment right after the shooting. Other than that, the leads have run dry.

"Often times when people speak with us, we just get a little bit of information, or it's not truthful. What we really need from the community is to step up and help us get a grip on our uptick in crime. Let's clear some of these cases and let's bring closure for the families,” explained Lt. Steve McClanahan, spokesperson for the Little Rock Police Department.

Alexander said his son had been arguing with people on Facebook the day he was killed. THV11 asked him if he was worried about the “snitches” mentality when it came to solving his son’s murder.

"In the streets we probably would call it snitching. Because it’s his partner that probably done it. But when it's a kid, it's something different,” he said, adding whoever is responsible needs to turn themselves in. "I want you to know that I'm very angry. Them three of you, it's lucky I made a promise to the mayor. Y'all know I know who you are. All the little kids done told on you. It's just a matter of time before they get you."

If you know who killed Cyncere Alexander, or have any information that could be helpful in any of the city's unsolved homicides, contact Little Rock Police.