Fiction: The Quiet Tenant by Clémence Michallon

Aidan Thomas is a hard-working family man and a somewhat beloved figure in his small upstate New York town. He’s the kind of man who always lends a hand and has a good word for everyone. But Aidan has a dark secret - he’s a kidnapper and serial killer. Aidan has murdered eight women and there’s a ninth imprisoned in a backyard shed, earmarked for death.
When Aidan’s wife dies, he and his daughter Cecilia are forced to move, and Aidan brings his captive, Rachel, along. He's betting that, after five years of captivity, Rachel is too brainwashed and fearful to attempt to escape.
But Rachel is a fighter and survivor, and see a way out of her captivity...