As compelling as Michelle McNamara's I'll Be Gone in the Dark or James Ellroy's My Dark Places, this is the story of a brother's lifelong determination to find the truth about his sister's death, a police force that was ignoring the cases of missing and murdered women, and, to the surprise of everyone involved, a previously undiscovered serial killer.In the fall of 1978 teenager Theresa Allore went missing near Sherbrooke, Quebec. She wasn't seen again until the spring thaw r