Tom Threadgill

Retired FBI agent Jeremy Winter spent his career chasing serial killers. Now, he finally has a chance to go after the one murderer who matters most - the killer of his wife and unborn daughter....

Three years ago, a collision between a fast-moving freight train and a school bus full of kids led to devastation and grief on an unimaginable scale. But a fresh clue leads San Antonio police detective Amara Alvarez to the unlikely conclusion that one of the children may still be alive. If she's...

After her rescue of nearly 50 kidnapped children made international headlines, Amara Alvarez gets what she's worked for: a transfer to San Antonio's Homicide Division. Reality sets in quickly, though, as her first case, the suspicious death of a teenager at a crowded local water park, brings...

When the fingers of dead women start showing up in the Supreme Court’s mail, ex-FBI Agent Jeremy Winter is brought back to the Bureau to aid in the investigation. Agent Maggie Keeley, his girlfriend and now boss, leads the search for the serial killer....

Catherine Mae Blackston is missing. She is not the first. While investigating Blackston’s recent activities, FBI Agent Jeremy Winter stumbles upon a string of missing persons within state parks....