Paris Hilton. Photo: Twitter.

The Los Angeles Police Department is searching for a man who has been sending anti-Semitic death threats to hotel heiress Paris Hilton, whom he believes is Jewish, gossip site TMZ reported on Tuesday.

Authorities got a search warrant to track down the Instagram and Facebook account of the unidentified person threatening to kill the socialite and her father Rick Hilton, neither of whom are Jewish. In one social media post the man wrote, “KILL JEWS FOR FUN” and “I know ur Jew family gives nothing,” accusing the Hiltons of being cheap.

The man also wrote to Rick, “one month and she’s dead, she’s never coming home.”

“Invite [Paris] to the match so we can gang rape her a** hahahahahaha,” he said in another post, then threatening, “I’ll beat u and that bi*** to unconscious.”

Police think they know who is behind the threats but need Facebook and Instagram verification before they can make an arrest, law enforcement sources told TMZ.