Two decades after her father shot down the cult-like leader of a separatist church, fifth-generation Texas Ranger Caitlin Strong is challenged to stop the man's son, the head of a militia movement who has amassed enough guns and money to wage a second civil war.

When a drug bust reveals exotic animals at a marijuana grow site, zookeeper Iris Oakley and a colleague ride to the rescue in the zoo's van. But instead of pets they find smuggled parrots and tortoises destined for sale to unscrupulous or unsuspecting collectors. Iris also discovers a woman who escaped the bust-dead. The murder and the drug ops are the cops' problem, but Iris is determined to break the criminal pipeline that snatches rare animals...

"For fans of I'll Be Gone in the Dark, the thrilling true story of a would-be terrorist attack against a Kansas farming town's immigrant community, and the FBI informant who exposed it. In the spring of 2016, as immigration debates rocked the United States, three men in a militia group known as the Crusaders grew aggravated over one Kansas town's growing Somali community. They decided that complaining about their new neighbors and threatening them...