Invasion of Privacy - Healy

Hired by Olga Evorova to perform a discreet background check on the man she wants to marry, Cuddy believes it will be a simple assignment, until everyone he questions lies to him and a pair of thugs warn him to back off

The eleventh title in one of today's best American mystery series (Kevin Moore, Chicago Sun-Times). Detective John Cuddy is happy to handed a case as routine as a background check on a client's boyfriend. But after he's warned off by the mob, Cuddy's investigation grows more bizarre and dangerous