"Paced like a thriller and full of insider information on the history and science of Crime Scene Investigation, In Light of All Darkness embeds readers in one of the most famous true-crime stories of our generation-the kidnapping of Polly Klaas-a case as pivotal in the history of the FBI as the Unabomber or Oklahoma City bombing. On October 1, 1993, a 12-year-old girl was kidnapped at knifepoint from her bedroom in Petaluma, California, during a sleepover...