From ynet:

"The Olmert defense team's decision comes after the Jerusalem District Court granted Friday Attorney General Menachem Mazuz's request to take a deposition from Talansky, an American businessman believed to have transferred funds to Olmert during the latter's tenure as Jerusalem mayor and as industry, trade and labor minister.

 State Prosecutor Moshe Lador told the court that Talansky 'has expressed his concern to a police officer that Olmert might send someone to hurt him."

The fear reportedly expressed by Talansky that Olmert "might send someone to hurt him" surely gives some idea of what Talansky, who knew Olmert well, apparently thinks him capable. No doubt Talansky himself is a bit odd, and not entirely rational.

Still...