[8/25/2016]San Francisco DA explains delay in the fatal shooting of a young Guatemalan immigrant who was shot in the back six times by plainclothes officers while he was running away. The shooting occurred Feb '15. He points out some homicide investigations take five or six years to complete.

http://abc7news.com/news/george-gascon-explains-delay-in-fatal-sfpd-shooting-investigation/1485661/