Why Do the Police Have Tanks? The Strange and Dangerous Militarization of the US Police Force

"Clearly, the mission of the police officer is incompatible with that of a soldier, so why is it that local police departments are looking more and more like paramilitary units in a combat zone? The line between military and civilian law enforcement has been drawn for good reason, but following the drug war and more recently, the war on terror, that line is inconspicuously eroding, a trend that appears to be worsening by the decade."