By Levi Stahl

In some ways, I'm the perfect audience for the new true crime antholgy Unspeakable Acts: True Tales of Crime, Murder, Deceit, and Obsession. I read a lot of crime fiction, but I only dip my toe into true crime. I listened to Serial. I read I'll Be Gone in the Dark. And I enjoyed them. Or is "enjoyed" the right word? Because if this was ent…