http://it.slashdot.org/story/11/11/23/193213/police-encrypt-radios-to-tune-out-public
http://www.coloradoan.com/article/20130330/COLUMNISTS151/303300015/Awtry-big-compromise-police-radio-traffic-encryption?nclick_check=1
http://www.pasadenastarnews.com/ci_20144507/encryption-police-radio-is-criticized
http://www.homelandsecuritynewswire.com/dr20121227-louisiana-parishes-to-encrypt-police-radio-communication
http://usatoday30.usatoday.com/tech/news/story/2011-11-20/police-encrypted-radios/51319598/1