Therebis may not have heard about the bank robbery in Norco, California in 1980.  1 bank robbery.  Money taken and recovered was a mere $20,000.
• 1 25-mile running gun battle from Norco to the San Bernardino foothills
• 33 patrol cars damaged or completely destroyed
• 1 sheriff’s helicopter shot down
• Numerous civilians shot at
• 2 robbers dead who had been shooting at the police with automatic weapons with 30 round clips taped together for quick reloading.  Police had no such automatic weapons.  Just shotguns and their 6 shooters.
• 3 robbers imprisoned, life without parole
• 8 wounded Deputies — Heroes all
• 1 dead Deputy — Hero.  Deputy James Evans, Riverside County Sheriff Department.
http://www.rcdsa.org/norcorobbery/robbery.html.  The situation since then has not gotten better and the criminals have continue to obtain and use weapons of war against American Law Enforcement.  Law Enforcement has been forced to play catch up with the criminals just to defend themselves.