John Felix, 26, is a gang member and convicted felon who managed to get the weapon and several high-capacity magazines.
Police found loaded assault rifle with magazines rigged to allow 60 shots to be fired in quick succession and other weapons in suspect's car
California prosecutors John Hernandez Felix say he deliberately attacked Palm Springs officers for no reason
The men, police said, fired assault rifles as soon as they came out of their vehicle. One police officer fired back and killed both suspects. Police say they have not ruled out terrorism.