The Darkest Night: Two Sisters, a Brutal Murder, and the Loss of Innocence in a Small Town

Casper, Wyoming: 1973. Eleven-year-old Amy Burridge rides with her eighteen-year-old sister, Becky, to the grocery store. When they finish their shopping, Becky's car gets a flat tire. Two men politely offer them a ride home. But they were anything but Good Samaritans. The girls would suffer unspeakable crimes at the hands of these men before being thrown from a bridge into the North Platte River. One miraculously survived. The other did not.

Years later, author and journalist Ron Franscell—...