ATHENS, Greece -- Five suspects implicated in the killing of a University of California, Berkeley professor appeared in court in Athens on Thursday, including his ex-wife, who has denied all charges.

Przemyslaw Jeziorski, who taught quantitative marketing as a tenured associate professor at Berkeley's Haas School of Business, was killed on July 4 in Athens by an attacker who shot him in the chest

Greek police have arrested five people over the killing of a University of California at Berkeley professor who was shot dead in an Athens suburb earlier in July, police said.