Pyrotechnic Tear Gas

San Bernardino officials acknowledged Wednesday they used fire-starting pyrotechnic tear gas against Christopher Dorner. (credit: CBS Exclusive)

Sheriff’s Acknowledge Using Fire-Starting Pyrotechnic Tear Gas Against Dorner

San Bernardino authorities Wednesday acknowledged they set off fire-causing pyrotechnic tear gas in a battle with murder suspect Christopher Dorner — but insisted they didn’t burn down the cabin where they believed he was holed up on purpose.