A 30-year-old man was arrested Sunday and charged with second-degree murder, Sierra Vista police said Sunday.
The incident happened around 1 a.m. at the Garden Canyon Mobile Home Park at 405 S. Garden Ave., public information officer Tracy Grady said.
When officers arrived, they found 18-year-old KC Paul Southard of Sierra Vista suffering from serious injuries. He died at the scene.
Police arrested David Kennedy without incident. He was booked into the Cochise County Jail.
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