Looking to move? Make sure your agent knows you want to stay away from any house that has a history of any murder-suicides. Because we all know...either the house made them do it because it was built on some burial ground, or the spirits of the grisly misfortune will continue to wreak havoc on the unsuspecting residents. We're not dealing with kind ghostly housemates like Adam and Barbara Maitland in today's films. We're dealing with some seriously effed up spirits with a deadly agenda.