Months before Przemyslaw Jeziorski, a marketing professor from the University of California, Berkeley, was killed, he filed a restraining order against his ex-wife.

The ex-wife of University of California, Berkeley professor Przemyslaw Jeziorski, who was gunned down in broad daylight in Greece earlier this month, has been arrested.

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