Impeccably researched and written, Michelle McNamara does an impressive job piecing together what exists of America's most notorious and least known serial killer, the golden state killer. Obsessive and determined, Michelle spent years tracking down leads, reading old police files, newspapers, interviewing victims and more to try and create a profile to understand more about the sadistic man who killed more than a dozen people, raped over 50 women, and burglarized over 100 homes in California during the seventies and eighties. Unfortunately she never got to see the man responsible caught and found, she died in 2016. Her husband and researcher finished her book for her and shortly after its release the Golden State killer was found, caught by DNA evidence. Compelling and dark, this true crime story will keep you up at night.