On the side of a building not far from a Detroit Police Department precinct station, someone spray-painted a picture of an angel. The problem with the graffiti? The angel was holding a gun, WJBK-TV reported, and the gun was pointed at a painting of a police officer.

The mural has already been painted over, according to WJBK, and authorities are expected to review surveillance footage from the location.

“I don’t believe looking at the painting that God would give an angel a gun to shoot a police officer,” Steve Dolunt, assistant Detroit police chief, told WJBK. “I think God gives angels to police officers to try to protect them.”

Reports WJBK:

Dolunt does not believe this painting represents how the vast majority of Detroit feels about its officers.

“Thirty-six times in the last 29 and a half years an angel wasn’t there to help us,” he said. “So I’m disheartened, dismayed, but I think we’ll get through this.”

In the painting, the officer was posed with his hands up — a familiar stance for those who have tracked the Michael Brown case this year. Some have said that Brown, 18, had his hands raised when he was fatally shot by a police officer in Ferguson, Mo., on Aug. 9.

Crowds that gathered to protest the shooting and the grand jury’s decision not to indict the officer often chanted “Hands up, don’t shoot!” as they marched in the streets of the St. Louis suburb.

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The graffiti, which was painted on a YouthVille building at an educational center, was covered earlier this week, WJBK reported. (It’s not clear when it was first painted.) Roger Simmons, the building facilities director, told the station he was “horrified” to see the work.

“We will review the footage and we will present whatever we have to the Detroit Police Department,” Simmons said, according to WJBK. “And we will expect to prosecute whoever we find was responsible for this act.”