Article Photos: Slain Calif police officers were taken by surprise 14/15

Passerby William Elmore lays a bouquet of flowers at the memorial to detectives Elizabeth Butler and Loran 'Butch' Baker at Santa Cruz Police Headquarters in Santa Cruz, Calif., Wednesday, Feb. 27, 2013. The detectives, responding to a sexual assault report Tuesday afternoon, were killed at the doorstep of a suspect who was chased down and killed half an hour later. (AP Photo/Santa Cruz Sentinel, Shmuel Thaler)