David H. Swendsen 
Their Last Breath 

State police officer Lt. Tom Provens is the lead officer investigating a brutal child prostitution ring. The investigation begins with a desperate 911 call and the discovery of the bodies of three young girls in an abandoned mansion in Massachusetts. Provens enters the evil universe of Sir William, a world of heartless enforcers, greedy landlords, and tortured children abducted off the streets and forced to become sex slaves. Unraveling this web takes Provens and the father of a missing ten-year-old girl on a desperate international journey, ending in the unforgiving jungles of the Amazon Valley.