They (italian govt) does this when they get desperate. It's a common tactic to try and smoke a big boss out of his hole.

He's not going to flee Trapani area or he'll be caught. Once they arrest your inner circle protecting you, if you move, you're caught very soon after. I doubt he's hurting for money, but what's money to him? He can't go out and spend it. The guy is power hungry, like they all are down there. I think when Provenzano was arrested he was living off something like 20,000 EU/month.