'NCIS' actress Pauley Perrette assaulted by homeless man who threatened to kill her

Actress Pauley Perrette arrives during the G'Day USA Black Tie Gala in Los Angeles, California, January 11, 2014. (Fox News)

"NCIS" actress Pauley Perrette tweeted Friday morning that she was assaulted overnight by a "psychotic homeless man" who said he was going to kill her.

Perrette plays forensic scientist Abby Sciuto on the hit CBS show. She posted a tweet including an image of a long document that described the incident.

"I am shaken and traumatized," she wrote. "My life changed tonight."

Perrette wrote that as she was walking from her Hollywood home to a guest house, a man grabbed her and punched her in the face and told her repeatedly he was going to kill her.

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