William Blea Grijalva, a 41-year-old Oakland police officer with 20 years’ service, was killed on December 15, 1993 while responding to a call where animal control officers were trying to seize a vicious pit bull. The encounter occurred in the 3900 block of Lyon Avenue. Officers attempted to take the dog owner into custody, but the suspect broke free and retreated into his house, then opened fire with a shotgun from inside.

Officer Grijalva, wearing body armor, was struck in the chest and leg. He was taken to hospital and died during surgery later that day. Other officers returned fire and the suspect was shot and killed at the scene. Grijalva was survived by his wife, son, daughter, brother and sister.

What details about the incident or the scene might help clarify how events unfolded that afternoon?