US policing


San Francisco police face no charges in death of man shot from behind

District attorney says detectives Eric Reboli and Craig Tiffe shot Guatemalan immigrant Amilcar Perez-Lopez, 21, five times in the back in self-defense Two San Francisco police detectives will not face criminal charges for the 2015 killing of a young Guatemalan immigrant who was shot from behind five times, prosecutors said Wednesday. Detectives Eric Reboli and