Darby McCormick

Darby McCormick had known Melanie Cruz and Stacey Stephens forever. Best friends since childhood, the threesome had survived high school together. But one night in the woods, drinking beers to celebrate Melanie's 16th birthday, the three unsuspecting teenagers witnessed the grisly murder of a woman. Darby and her friends fled the scene, but they left behind a clue to their whereabouts, which only simplified the killer's revenge. It didn't take long to find them. This time, only Darby survived.

When Harvard student Emma Hale disappears, her father believes she has been kidnapped. Months pass and the trail goes cold but then her body is found floating in Boston Harbour. A year later, Judith Chen, another student, disappears. Like Emma, she is soon found dead in the river. CSI Darby McCormick is assigned to the case and uncovers a key piece of overlooked evidence, one that brings her into contact with Malcolm Fletcher ...a former profiler, now on the FBI's Most Wanted list.

A mother and her son have been executed in their home and fingerprint matches show their attacker died 20 years ago. When CSI Darby McCormick is called to the crime scene, it’s one of the most gruesome she’s ever seen. But the forensic evidence is even more disturbing: someone watched the murder unfold – and the killer died in a shoot-out two decades earlier. The deeper Darby digs, the more horrors come to light.

Ten years ago CSI Darby McCormick investigated a child abduction case. Today, Charlie Rizzo is back and holding his family hostage. He makes only one demand. Bring me Darby McCormick... When Darby arrives to defuse the scene, she finds him horrifically mutilated, with a mask of human skin sewn in place over his own face. Within minutes, a group of men disguised as SWAT officers bursts in and releases deadly gas, killing the Rizzo family and leaving Darby barely alive.

Fear grips a town in Colorado as a murderer targets entire families in their own homes. As police and the FBI struggle to contain the situation, they bring in forensic investigator and serial killer expert Darby McCormick. What she finds is a brutal and elusive predator who stays one step ahead of their investigation. As Darby navigates the blood ties and broken promises that divide the locals, she knows all the while the killer is watching, circling his next target: her.

Fear grips a town in Colorado as a murderer targets entire families in their own homes. As police and the FBI struggle to contain the situation, they bring in forensic investigator and serial killer expert Darby McCormick. What she finds is a brutal and elusive predator who stays one step ahead of their investigation. As Darby navigates the blood ties and broken promises that divide the locals, she knows that all the while the killer is watching, waiting and circling his next target: her.

Penguin presents the unabridged, downloadable audiobook edition of Every Three Hours by Chris Mooney, read by Patricia Rodriguez. Nine a.m. on a freezing January morning. Darby McCormick queues for the metal detectors at Boston Police Headquarters. A man at the front pulls out a 9mm handgun, fires into the air and takes a woman hostage. In his bag is a block of plastic explosive. Throughout the city, homes, offices and cars have been rigged to explode.