A Tennessee police cadet shot and killed another man at his ex-girlfriend’s house before the woman’s brother shot and killed him.

Cadet Michael William Little, of Knoxville, gunned down 28-year-old Travis Wegener at the home of Little’s ex-girlfriend.

Little also shot his ex-girlfriend and her mother, seriously wounding the older woman, shortly before 11:30 p.m. Friday.

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Ashley Womack, 18, was treated and released from a hospital with a gunshot wound to her leg.

Her mother, 47-year-old Rhonda Womack, was hospitalized in serious condition with a gunshot wound to her shoulder.

Police said 22-year-old Joshua Womack grabbed a .22-caliber rifle to defend his family and killed Little during a shootout.

Investigators said Little went to see his girlfriend at her home about two weeks after they broke up and spoke to her family and Wegener, a family friend, on the back patio.

Police said he then walked toward his vehicle before pulling a .45-caliber handgun and shooting Rhonda Womack and Wegener.

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He then shot Ashley Womack before her older brother began shooting at Little.

Joshua Womack and his father, Guy Womack, were not injured.

Little took part in a cadet program for individuals 21 or younger to examine career opportunities in law enforcement.

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They answer phones, issue parking citations, and help officers on various assignments.

Cadets are non-sworn civilian employees and are not issued handguns, police said.

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Watch this video report posted online by WBIR-TV:

[Image: hand gun via Shutterstock]