Bestselling crime writer Michael Connelly investigates the bizarre story of the July 1, 1981, Wonderland Avenue Massacre—one of Hollywood’s most famous murder cases that has captivated audiences for more than 40 years. It was emblematic of an era in Los Angeles—of sex, drugs, rock ‘n’ roll…and murder. Through interviews, Connelly mines key details about this gruesome quadruple homicide with the original detectives, prosecutors, and undercover agents he met as a young crime reporter for The Los Angeles Times.