A Youngtown police officer was shot and killed early this morning in his patrol car and the search continues for the suspect. 26-year-old patrolman Michael Hartzell was shot around 2:20 this morning across from Powers Auditorium in downtown Youngstown. He died at the hospital a short time later. Lieutenant Rod Foley says police are looking for 31-year-old Martin Louis Koliser in connection with the shooting. Foley provided no more information about the suspect.