A forensic psychologist fights a mental war against two serial killers with this disturbing thriller from Mike Omer, Washington Post and Amazon . com Charts bestselling writer of A Killer’s Brain.

An internet video of a woman clawing on the ceiling of her very own grave may be the worst factor FBI forensic psychologist Zoe Bentley has ever seen. Perhaps even more disturbing may be the implication of the video’s name: “Experiment Number One.”

Zoe and her partner, Particular Agent Tatum Grey, work as fast as they can about In the Darkness to find the monster at the rear of the shocking video, but soon another one shows up online, and another young lady turns up deceased. In the mean time, a different murderer is normally on Zoe’s mind. Rod Glover has been tormenting her since years as a child, and his latest attack is a threatening image of himself with Zoe’s sister. As Glover’s dangers creep toward actions, Zoe’s torn between family and duty.

Zoe must think fast to prevent another murder. With her have family’s safety on the line, Zoe feels she’s by no means been in even more danger. And while she’s generally known her job could send her to an early grave, she usually assumed she’d be dead first.