Investigation Discovery Mails Out Notes To Begin ARG for “Deadly Affairs” Dan Koelsch, August 18, 2012 Investigation Discovery airs a new series premiering September 8th called Deadly Affairs. As the show’s website explains, “Deadly Affairs tells real-life tales of love gone terribly wrong — from wandering eyes at the workplace leading to adulterous romps in the supply closet to bible-study couples tempted by lust to commit…