According to KTVT, Little Elm police Detective Jerry Walker, 48, and several other officers arrived to find a man with a rifle screaming in the backyard of the home. Police said the man then fled into the house and fired at officers through a window, The Associated Press reported.

Walker, a father of four who joined the police department 18 years ago, was struck in the upper body and later died at a local hospital, KTVT reported.

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