A Fort Worth mall security guard told police he fatally shot a suspected jewelry thief because the man had a hammer in his hand and ran past a child while fleeing, according to an arrest warrant affidavit.

The 31-year-old guard is now facing a murder charge.

Security guard charged with murder The backstory: Fort Worth police arrested Tyron Henton on Friday in connection to the Oct. 14 shooting at La Gran Plaza shopping mall shortly before closing.