House Privilege

Fifteen-year-old Cassie Russell, the only daughter of a mega-rich Boston couple, is the sole survivor of a plane crash that killed her parents. She's also the goddaughter of the newly elected Speaker of the House, John Mahoney, and Mahoney becomes her legal guardian. Normally, Mahoney would send his kind-hearted wife to deal with his new ward, but she's unavailable so he dispatches his fixer, Joe DeMarco, to make sure the girl's okay.
 
DeMarco's job is only to put things into a holding pattern until Mrs. Mahoney is able to step in and take charge--but DeMarco unintentionally flips over a rock and out from under it crawls a lawyer, the one managing Cassie's vast estate. DeMarco learns the lawyer has been embezzling from the estate and may have killed Cassie's parents. What should have been a simple assignment unleashes murderous plots involving a Boston mob boss and his Irish thugs, and quickly escalates. DeMarco ends up chasing the scheming lawyer halfway around the world to save Cassie and ensure that justice is done. And, this being DeMarco, the legal niceties are mostly ignored.
 
House Privilege is one of the best installments yet in Edgar Award-nominee Mike Lawson's long running series.