Samantha Owens Books in Order

Medical examiner Samantha Owens remains devastated by the loss of her husband and children. A request to reexamine an old boyfriend's death draws her to Washington, where forensic evidence reveals connections to soldiers and crimes reaching back to Afghanistan.

Starting a new life at Georgetown University, forensic pathologist Samantha Owens investigates three deaths following a pathogen release in Washington's Metro. The unusually small victim count suggests targeted murder rather than indiscriminate terrorism, drawing Sam into a dangerous inquiry.

Forensic pathologist Samantha Owens receives a letter asking her to solve its writer's murder. Examining his supposed suicide draws her into an investigation involving a missing child, aided by Xander Whitfield and detective Darren Fletcher.

An apparent murder-suicide in Samantha Owens's Georgetown neighborhood raises questions when officials demand secrecy. Her inquiry intersects with Xander Whitfield's bodyguard assignment, uncovering a bioterrorism threat that places their separate investigations on a dangerous shared path.