Killer instinct novels (Cynthia Eden)

"A disgraced FBI profiler must save her reputation by stopping a sadistic killer she knows all too well"--

"Ex-SEAL Tucker Frost knows that the world is full of evil. He saw it in the face of his own brother, Jason Frost, a cold, methodical, sadistic killer. A killer Tucker put down with his own hands in order to save Jason's final victim--Dawn Alexander, the only girl who got away from the infamous "Iceman." It's Tucker's up close and personal experience with evil that's made him perfect for Samantha Dark's experimental profiling division in the FBI....