What is “The Serial Killer’s Apprentice” about? When “The Serial Killer’s Apprentice” launched on Aug. 17, viewers witnessed unprecedented interviews with Elmer Wayne Henley Jr., the accomplice to ...

Dexter brought us a change to the serial killer genre. In 2006, the hit series introduced us to Dexter Morgan (Michael C. Hall), a blood spatter analyst for the Miami Metro Police Department. But when ...