A coroner has released an autopsy report on the death of Ricky Shiffer, the man killed by police during a standoff after the attempted breach of a Cincinnati FBI office.The tense, seven-hour situation started at the Cincinnati FBI field office in Kenwood on Aug. 11.Investigators say Shiffer tried to breach the building's visitor screening facility around 9 a.m. Thursday morning. The attempted breach led to a pursuit and hourslong standoff in Clinton County before Shiffer was shot by police and pronounced dead at the scene. The 42-year-old lived in an apartment in Columbus, near the corner of High Street and West Third Avenue. Neighbors have said they did not know Shiffer well, suggesting he was more outspoken online than in real life.The autopsy report states Shiffer's cause of death was multiple gunshot wounds.He was shot five times by police in the head, back, lower back, chest and thigh. He also had several shrapnel injuries and blunt force trauma of the head. The autopsy report also states no volatiles or drugs of abuse were found in the toxicology report.