Dangerous Games. Tess McCallum and Abby Sinclair, #3

They call him the Rain Man. When the skies over Los Angeles darken with storm clouds, he goes to work - stealing victims, chaining them in the city's underground storm tunnels, and letting them drown. It's up to FBI Special Agent Tess McCallum to stop him - but to do so, she'll need the help of maverick security operative Abby Sinclair, who works outside the law. Together they may catch a killer .
if they don't kill each other first. Michael Prescott is the New York Times and USA Today best-selling author of more than 20 thrillers.