Head Cases by John McMahon 
Genres: Mystery, Suspense
Source: ARC, NetGalley
Goodreads
Head Cases follows an enigmatic group of FBI agents as they hunt down a murderer seeking his own justice in this electrifying—and commercial—series debut.
FBI Agent Gardner Camden is an analytical genius with an affinity for puzzles. He also has a blind spot on the human side of investigations, a blindness that sometimes even includes people in his own life, like his beloved seven-year-old daughter Camila. Gardner and his squad of brilliant yet quirky agents make up the Patterns and Recognition (PAR) unit, the FBI’s hidden edge, brought in for cases that no one else can solve.
When DNA links a murder victim to a serial killer long presumed dead, the team springs into action. A second victim establishes a pattern, and the murderer begins leaving a trail of clues and riddles especially for Gardner. And while the PAR team is usually relegated to working cold cases from behind a desk, the investigation puts them on the road and into the public eye, following in the footsteps of a killer.
Head Cases by John McMahon is perfect for people who love Criminal Minds! Seriously, the main character was giving me Spencer Reid vibes. He is part of a group within the FBI called PAR (Patterns and Recognition). They identify patterns, and in this case, its a serial killer they thought was gone.
This is a group, so you have other characters to learn about. They are all part of PAR for a reason-typically not a good one. But, they are fascinating people. It really did give me Criminal Mind vibes with how their unique talents all played a part. There is plenty of suspense with the serial killer angle, and eventually, the killer begins to leave clues that indicate he knows about the PAR team. The story is well paced and there are plenty of twists to keep you on your toes. Fans of police procedurals and murder suspense reads will love Head Cases!
I was lucky enough to have the audio and the narrator, Will Damron, was excellent! He did a wonderful job voices different characters and I found his narration to add to the story.
The Dark Hours by Michael Connelly, The Seven by Robin Delvey…then you will probably like Head Cases!
We’re review twins. I loved this with the unique characters and the STEM vibes in the skill sets. Wonderful review!