Hard to Kill: Book one, Hard Targets Series
Wendy Byrne

After being orphaned at a young age, Sabrina Shaw and her brothers Jake and Max were taken in by a man named Franklin Deevers. They didn't know his intention was to turn them into trained assassins. After escaping his clutches, they moved to New York and tried to make a normal life for themselves. Now Sabrina works for an organization called, The Alliance, specializing in the kind of jobs that no one else can or wants to do. Her current assignment: find the daughter of a prominent politician who has disappeared and categorized as a runaway by the authorities. It seems simple enough, until Sabrina uncovers the covers the girl may have been the victim of a kidnapping that goes behyond ransome requests. Now Sabrina must put her training to the test as she infiltrates a sex trafficking ring operating in Europe in order to find the girl...all while dodging a mysterious FBI agent and the demons from her own past.