CHICAGO (CBS) — The mother of a teen shot and killed by police has filed a federal lawsuit against the city and two officers, alleging “police have no regard for the sanctity of life when it comes to people of color.”

Police say 16-year-old Pierre Loury bailed out of a car involved in a shooting on the West Side last week and officers shot him when he pointed a gun at them.

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But according to the lawsuit, the teen was climbing a fence when he was shot.

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The teen’s memorial service was held yesterday.

“That was our lamb, right there,” said Araewa Karen Winters, Loury’s great-aunt. “So you all done came and got the lamb.”

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The city’s law department hadn’t seen the lawsuit and had no comment.