Check out this NYT article on "The Emperor's club".   This was a mom and pop outfit, not mob connected, with a paltry income.  Plenty of sex slave trade is ongoing in the same metro areas that need FBI investigation a lot more than this operation, one of thousands of escort services routinely overlooked by law enforcement.

 There was no reason for the wiretaps except one, it involved Spitzer.   This fine fellow is more likely the cause:

Mr. Stone, who has referred to politics as “performance art,” is a longtime Republican consultant known for hardball politics and a cloak-and-dagger sensibility. He started out as a teenager in the campaign of Richard M. Nixon, and has a tattoo of the former president’s head on his back.

The information he provided might have reached Rove?

The case of the former democratic Alabama governor definitely stinks of Rove using federal prosecuters as his personal political dirty trickster squad.  Was the spitzer case similar?  We may never know.