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"I haven't been able to rest eat or sleep and I can't go on with my life until they get the murderer that killed my baby boy," his mother Marsha Ward said.

Police continue to look for Wyatt Hayes as a person of interest in the murder.

"I don't think that I'm ever going to be able to get the rest that I need because I lost two sons, my oldest and my baby boy," Ward said.

Her oldest son was also shot and killed. She said his murderer killed more people before finally being arrested. She doesn't want that to happen again.

"The police officers have a lot of murder cases on they're hands and I know they're probably overworked. But don't let my son's death go unsolved," she said.

The City of Buffalo is on the same pace it was last year, when it had its lowest murder rate in ten years.

"When you take this person off the street then they're no longer out there to commit more crime," Police Commissioner Daniel Derenda said. "I think in the last couple of years it's had a dramatic impact in going after the worst of the worst."

But only seven of the 26 murders committed this year have been solved.

"There's so many that are that close and with just a little help we can solve them," Derenda said.

Among the unsolved is the shooting at MLK Park in May that killed Marquay Lee and injured four others.

"We do have lots of information but we know that there were a lot of people out there that have seen this incident, that need to come forward. At some point I believe we will see an arrest in that case," Derenda said.

There's tow truck driver Cordarryl Henly, who like McDavis was killed in broad daylight.

"Each one's unique," Derenda said. "Each one has it's own set of problems in solving the case. When you get people to step up and come forward with information it makes our jobs a lot easier."

Ward said she hopes her son's murderer will make the police's job easier by turning himself in.

"If he was man enough to stand there and pull that trigger he should be man enough to face what he has done, and I hope that he can not sleep and I hope that his tearing his inside up like its tearing mine up," she said.

Buffalo police have also solved eight murders from previous years this year and say they need tips from the public whether it happened five weeks ago or five years ago.

If you have any information on any of these crimes call the Buffalo Police tipline at 716-847-2255.