Chicago 2013 murders

Ramone Palmer was on parole when he shot and killed Brian Rollins, authorities said.

April Dixon, 24, was stabbed to death, an autopsy showed.

Geanni Boyd, 16, was killed Wednesday night in Washington Park.

Atkins, who promoted events on WPWX Power 92, was found dead Saturday morning in a Morgan Park backyard.

A 16-year-old boy and men, ages 21 and 27, have been killed in shootings since Monday morning.

Vidal Martinez, 20, of Cicero, erupted after an argument over gang ties at a party, prosecutors said.

Lamont Larkins, 24, was found dead in an alley by a friend early Friday morning, authorities said.

Dwan Long, 35, died after being shot in his chest twice, authorities said.

Dwan Long, 35, was shot and killed in Avalon Park late Wednesday, authorities said.

Lavander Hearnes, 14, was shot and killed Sunday morning a block away from his Elementary School.

Police Supt. Garry McCarthy admitted to being "frustrated" over failure to recognize "progress."

Omar Castel, 17, was shot early Friday in the McKinley Park neighborhood.

Omar Castel, 17, was shot and killed just after midnight Friday in McKinley Park.

Ronald Henry, 22, was shot and killed in Englewood Wednesday night.