Greek police have brought five people in for questioning in the case of murdered UC Berkeley professor Przemyslaw Jeziorski, who was shot dead on July 4 while visiting Athens to see his children and attend a family custody hearing.

The ex-wife of a UC Berkeley professor shot to death while in Greece was arrested along with several alleged accomplices in the killing, Greek media reported.

Przemyslaw Jeziorski, a marketing professor at UC Berkeley, was killed on a street near where his children live, his family said.