FBI Special Agent Claire King dies chasing a killer—and is resuscitated minutes later to realize she has changed. Dark images flash through her mind in a newfound power, visions leading her towards serial killers. But when a serial killer targets prison wardens, the list of suspects, in and out of prison, is long and deep, and Claire receives conflicting visions. Has her power met its match?

“Molly Black has written a taut thriller that will keep you on the edge of your seat… I absolutely loved this book and can’t wait to read the next book in the series!”

—Reader review for Girl One: Murder

⭐⭐⭐⭐⭐

Once He Knows is Book #5 of a long anticipated new series by critically-acclaimed and #1 bestselling mystery and suspense author Molly Black, whose books have received over 2,000 five-star reviews and ratings.

FBI Special Agent Claire King has a reputation for brilliance, for being able to crack serial killer cases that no other agent can. Before she died and came back to life, she relied solely on this brilliance. But now that she has this fleeting, newfound power, Claire is confused: should she follow what she knows? Or what she senses? Are visions more powerful than intellect?

Or will they lead her right into a killer’s trap?

A page-turning and harrowing crime thriller featuring a brilliant and tortured FBI agent, the Claire King series is a riveting mystery, packed with non-stop action, suspense, twists and turns, revelations, and driven by a breakneck pace that will keep you flipping pages late into the night. Fans of Rachel Caine, Teresa Driscoll and Robert Dugoni are sure to fall in love.

Future books in the series are also available!

“I binge read this book. It hooked me in and didn't stop till the last few pages… I look forward to reading more!”

—Reader review for Found You

⭐⭐⭐⭐⭐

“I loved this book! Fast-paced plot, great characters and interesting insights into investigating cold cases. I can't wait to read the next book!”

—Reader review for Girl One: Murder

⭐⭐⭐⭐⭐

“Very good book… You will feel like you are right there looking for the kidnapper! I know I will be reading more in this series!”

—Reader review for Girl One: Murder

⭐⭐⭐⭐⭐

“This is a very well written book and holds your interest from page 1… Definitely looking forward to reading the next one in the series, and hopefully others as well!”

—Reader review for Girl One: Murder

⭐⭐⭐⭐⭐

“Wow, I cannot wait for the next in this series. Starts with a bang and just keeps going.”

—Reader review for Girl One: Murder

⭐⭐⭐⭐⭐

“Well written book with a great plot, one that will keep you up at night. A page turner!”

—Reader review for Girl One: Murder

⭐⭐⭐⭐⭐

“A great suspense that keeps you reading… can't wait for the next in this series!”

—Reader review for Found You

⭐⭐⭐⭐⭐

“Sooo soo good! There are a few unforeseen twists… I binge read this like I binge watch Netflix. It just sucks you in.”

—Reader review for Found You

⭐⭐⭐⭐⭐