Chicago officer shot and killed by 23-year-old convicted felon, police say

A man accused of killing a 26-year-old Chicago police officer was set to appear in court Thursday on multiple charges.

The identified the suspect as Darion McMillian, 23, a convicted felon now charged with first-degree murder in the fatal shooting of Officer Enrique Martinez.

McMillian is also facing several other charges, including an extra count of first-degree murder, one count of attempted murder of a police officer, one count of residential burglary, one count of unlawful use of a weapon (machine gun), and one count of aggravated unlawful use of a weapon by a felon.

Chief of Detectives Antoinette Ursitti said Martinez and another officer approached a car during a traffic stop and began talking to the driver Monday around 8 p.m.

McMillian, who was sitting in the passenger seat, reached for a bag on the floor.McMillian ignored commands from officers to stop reaching and held up "a fully automatic handgun equipped with a machine gun conversion device and an extended magazine" and opened fire.

Martinez, as well as the driver of the car, were both shot and killed, saidUrsitti. The chief added thatMcMillian then shoved the driver's body out of the car and got in the driver's seat.

The car crashed into a parked car, withMcMillian running into an apartment, where he used a knife to cut off his ankle monitor before running off again.

Officers soon tracked down McMillian and he was taken into custody.

Snelling added that Martinez had been on the job for nearly three years, describing the fallen officer as brave, focused, and energetic.

The department shared a photo of Martinez in his honor, as well as escorted him to the Cook County Medical Examiner's Office Tuesday night.

Police said the case remains under investigation.