Kill her again - Robert Gregory Browne

Stuck with an obnoxious partner, FBI agent Anna McBride has been demoted and reassigned to a satellite office in southern California following a disastrous operation in south San Francisco.
At a crisis point in her life, Anna battles her demons as she suffers from increasingly vivid and disturbing nightmares of a little girl being kidnapped by a man who appears with a red cap.
When she seeks the help of hypnotherapist Daniel Pope, a consultant on a case she's currently investigating, it seems that Anna is the reincarnated victim of a notorious serial killer.
Using clues found only in her nightmares, Anna circumvents Bureau rules and begins investigating a 28-year old case, hoping to find the killer of the girl who once harboured her soul...