I can't believe ammo designed not to kill would be very popular with the nation's law enforcement professionals. It does seem like it would ok for use by the air marshal's for close in work on an airplane.
http://www.foxnews.com/us/2013/01/01/company-targeting-police-bounty-hunters-with-safer-ammo/
http://www.foxnews.com/us/2013/01/01/company-targeting-police-bounty-hunters-with-safer-ammo/