Mario Woods, who was shot dead by San Francisco police, had more than 20 gunshot wounds, according to an autopsy report.The report, obtained by CNN affiliate KRON, says at least two shots hit the 26-year-old in the head and six hit him in the back.Woods’ December 2 death, which was captured in several cell phone videos, sparked protests of excessive police force, calls for change and a Justice Department review.Police ...