Police in Greece are searching for the killer of a University of California Berkeley professor who was shot and killed on July 4 while visiting Athens to see his children and attend a family custody hearing.

The ex-wife of a University of California, Berkeley professor who was fatally shot during a visit to Greece earlier this month is among five people who have been charged in his killing, reports say.

Przemyslaw Jeziorski, a native of Poland, was shot on July 4 in Agia Paraskevi, a suburb of the Greek capital of Athens, local media stated