Thomas Johnson was arrested after calling 911 himself.

According to KSAT, police say Johnson admitted to randomly attacking and killing a man with a "large-edged weapon" on the White Rock Creek Trail in Dallas.

Johnson played for the Aggies back in 2012. During his stay there, he had disappeared for a few days and wasn't seen until he showed up at his parents' house three days later.

The victim's name has not been released. Johnson is being held without bond.

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