Illinois cop fired for shooting unarmed black teen after he and his girlfriend ...

A suburban Chicago police officer who shot a Black couple inside a vehicle - killing a 19-year-old man and wounding his girlfriend - has been fired, the police chief announced late Friday.  

The officer who fatally shot Marcellis Stinnette and then wounded the mother of his child, Tafara Williams following what authorities have described as a traffic stop late Tuesday committed 'multiple policy and procedure violations,' Waukegan Police Chief Wayne Walles said in a brief statement. 

No other details, including the officer's name, were provided.

The announcement of the firing came shortly after Lake County's chief prosecutor announced the FBI will join Illinois State Police in investigating the shooting.

Marcellis Stinnette

Tafara Williams

Marcellis Stinnette, 19, (left) was killed and his girlfriend and the mother of his child, Tafara Williams, (right) was seriously injured when a police officer in Waukegan opened fire on Tuesday night. On Friday night it was announced the white officer involved had been fired

The officer who fatally shot Marcellis Stinnette and then wounded the mother of his child, Tafara Williams, following what authorities have described as a traffic stop late Tuesday committed 'multiple policy and procedure violations,' Waukegan Police Chief Wayne Walles, pictured, said in a brief statement

The officer who fatally shot Marcellis Stinnette and then wounded the mother of his child, Tafara Williams, following what authorities have described as a traffic stop late Tuesday committed 'multiple policy and procedure violations,' Waukegan Police Chief Wayne Walles, pictured, said in a brief statement

Lake County State's Attorney Michael Nerheim said he asked the U.S. Justice Department to review the circumstances surrounding the shooting.

'I am confident in the work being done by the Illinois State Police and welcome the assistance of the FBI,' Nerheim said in a statement. 'As I have said before, once the investigation is concluded, all the evidence will be reviewed and a final decision will be made with respect to any potential charges.'

Waukegan police have said Williams was driving and Stinnette was a passenger in a vehicle that fled a traffic stop late Tuesday and that the vehicle was later spotted by another officer. 

Police said that as the second officer approached, the vehicle started moving in reverse and the officer opened fire. No weapon was found in the vehicle.

Police have said the car, which was being driven by Williams, fled as a white officer approached them following a traffic stop just before midnight. 

The officer who shot the couple is Hispanic and had been with the Waukegan Police Department for five years. 

As a second officer approached the car, police said Williams started reversing towards him and he fired his gun into the vehicle. 

During a Thursday demonstration, Clyde McLemore, head of the Lake County chapter of Black Lives Matter, called for a federal investigation. 

Activists and relatives of the couple also have demanded the release of police video of the shooting, which authorities say has been turned over to investigators.

Activist Chris Blanks said the video is particularly important because the police version of events and the version Clifftina Johnson said her wounded daughter, Williams, shared with her appear to contradict each other. 

Johnson said her daughter told her that Williams and her boyfriend had done nothing to provoke the officer.

Nerheim urged calm while the investigation takes place and pledged transparency.

Speaking from her hospital bed on Thursday, Tafara Williams - who was shot in the stomach and hand - said she and her boyfriend had done nothing to provoke the shooting and questioned why officers fired

Speaking from her hospital bed on Thursday, Williams - who was shot in the stomach and hand - told ABC7 that they had done nothing to provoke the shooting and questioned why officers fired. 

'Why did you shoot? I didn't do nothing wrong. I have a license. You didn't tell me I was under arrest,' she said. 

'Why did you just flame up my car like that? Why did you shoot?' 

Williams' mother, Clifftina Johnson, said her daughter had also

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