Patrick lyoya. he was shot in the head last week by an officer following a traffic stop. what do we want? justice. when do we want it? now. reporter: multiple protests spilling out into the streets after this incident was released. the officer is on leave. reporter: a struggle, a gunshot, a black man dead on the streets of grand rapids, michigan. a police officer now under investigation for shooting 26-year-old patrick lyoya in the head. frustrated community demanding answers. stay in the car. reporter: on april 4th police say lyoya was pulled over for improper registration, just a