The Cisco Zoo opened in the 1920s, to the delight of residents in rural central Texas. Situated in the shadow of a dam, this small zoo offered visitors a chance to see flamingos, monkeys, bears, and many other animals. Although its selection of animals would have been quotidian by modern standards, the Cisco Zoo was a thrilling experience to visitors. The fun came to a grinding halt when the menagerie became a murder mystery. A bear was poisoned in an unsolved crime, and a deer died under conspicuous circumstances as…