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.

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