Man arrested after cannon kills girlfriend in Calif.

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(KSWB)

SAN DIEGO — San Diego County authorities have arrested a man whose homemade cannon fired through the side of his mobile home in a remote community, killing his girlfriend.

Sheriff’s Sgt. David Martinez said Tuesday that 39-year-old Richard Fox was arrested for investigation of exploding a device resulting in death. He’s been booked into jail after treatment for shrapnel wounds to his right leg.

The cannon fired early Tuesday in the mountain community of Potrero, about 40 miles east of San Diego on the U.S.-Mexico border.

Shrapnel killed his 38-year-old girlfriend, who was in the home with three other adults and a 4-year-old girl. The victim was earlier identified as the man’s wife.

Martinez said authorities haven’t determined a motive.

Information from San Diego Union-Tribune: utsandiego.com