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Story summary
- U.S. Lt. Thomas Gross was shot while answering a 911 break-in call at Prairieland Detention Center.
- The shooter wore dark clothing and a neon-green ski mask and fired a military-style rifle.
- Police and sheriff’s deputies detained a woman in black with a ballistic vest and knife.
- Officers also arrested a young man with a spray-paint can and five other individuals in black.