AUSTIN, Texas - A teenager has been charged with murder after he allegedly shot and killed his girlfriend's ex-boyfriend and stole his car.

What they're saying: The Austin Police Department says that just after 3 a.m. Sept. 23, officers responded to a shooting at an apartment complex in the 1000 block of Springdale Road, near Airport Boulevard.

Officers and first responders found 29-year-old Jacob Villanueva with gunshot wounds on the stairs inside an apartment.