(CNN) Authorities are looking into whether the death of a man who was shot while camping with his daughters in California is linked to previous shootings at the campsite.

Tristan Beaudette was shot once in the head on June 22 as he slept in a tent with his 2- and 4-year-old daughters at the Malibu Creek State Park, officials said.

The Los Angeles County coroner ruled his death a homicide this week.

In a statement, the Los Angeles County Sheriff's Department said it's looking for links between the 35-year-old's killing and seven shootings dating to November 2016.

Detectives have not determined a motive behind the shooting and currently there's no evidence that suggest all the incidents are connected, the statement said.

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