<sod >LOS ANGELES - Two Los Angeles police officers acted in self-defense when they fatally shot a 25-year-old black man during a struggle over an officer's gun and will not face criminal charges for the 2014 shooting that led to protests, prosecutors said Tuesday.< eod>< sod > LOS ANGELES - Two Los Angeles police officers acted in self-defense when they fatally shot a 25-year-old mentally ill, black man during a struggle over an officer's gun and will not face criminal charges for the 2014 shooting that led to protests, prosecutors said Tuesday.< eod>