Set against the background of the hunt for the serial killer Lex Talionis, Letters From the Dead sports a cast of larger-than-life characters: hard-nosed, hot-headed New York City Detective Tom Cavanaugh; Cavanaugh's half brother, Jack Bennis, a Jesuit priest with a checkered past; a 90-year-old woman in a nursing home guarding deadly secrets; and a ninja-like serial killer bent on revenge for the cyber-bullying suicide of his daughter. Together,...