CHICAGO -- An off-duty Chicago police officer dressed as a clown for a fundraiser shot and killed a teen who authorities say was trying to rob him.
Police say the officer was headed home from a children's event Friday night when the suspect approached him, asking for money.
When the officer said he didn't have any, police say the teen pulled a gun.
After a struggle, the officer grabbed the gun and fired, killing the teen.
The officer sustained minor injuries. A weapon has been recovered.
Authorities haven't released the names of those involved.
The Independent Police Review Authority is investigating the incident.