shattering what seems to be. and now the shannon family secrets were spilling out. of course you can have no idea what might exist behind the photo of family values. that's what detectives are for, after all. the shannons may have moved to the bible belt, here to fayetteville, north carolina. lots of churches here. but there are also other activities that occurred at night that had nothing whatever to do with family values. joan and david shannon were swingers. enthusiastic members of clubs whose sole purpose is to organize various combinations of spouse swapping. as joan told the police, she and david had been swinging for years, long before moving to north carolina.