Pennsylvania: They know SWAT. Teams test skills at regional competition.
Hawaii: A Kailua police officer jumped into a water-filled sinkhole Sunday night to rescue a woman who had fallen in and was submerged.
California: School boosts security after 500 riot.
California: An off-duty Los Angeles police officer who was paralyzed after being accidentally shot in the back by his young son will not face criminal charges.
California: Charges filed in bizarre killing. Inmate accused of murdering cellmate, making guards think victim still alive.
South Carolina: Cop stunned by own Taser.
Pennsylvania: Philadelphia officer, bystander injured in shootout, suspect dead.
California: Pleasant Hill school prepares for intruders.
California: Missing SWAT weapon found by deputies. A Sheriff's Department investigation is under way to determine why a submachine gun that is supposed to be housed in the Special Weapons and Tactics armory was found in another location Saturday morning.
Louisiana: Tear gas justified to break up crowd of hundreds of peoples Sheriff says.
Canada: Mountie faces charges after firing own gun.
California: Crossing Guards in Training. The Border Patrol Academy is a blend of law school, physical endurance and Spanish immersion -- and a dose of pepper spray.