An accused cop killer pleads not guilty.

Tiniko Thompson appearing in front of a Broward judge saying she is not responsible for the shooting death of her boyfriend-Miami Police officer Carl Patrick.

She claims he shot himself during a fight.

His body was found inside their Pembroke Pines home May 9th.

The Medical Examiner ruled the death a homicide, claiming the bullet wounds are not consistent with a self-inflicted wound.

photo Broward Sheriff's Office