The ABC Murders/YMMV


 * Harsher in Hindsight: The killer sends taunting letters announcing the dates in which he's going to kill someone. One letter announces his next killing will be on September 11th! Hastings even says that, "From now on the date September 11th will always mean a day of murder to me." Yeah, that's true of pretty much everybody now, Hastings.
 * Moral Event Horizon- commits several other murders in addition to