How the other half kills . . . BEHIND MANSION WALLS shares the stories of crime and investigation that unfold behind the veil of wealth, where secret affairs, hidden bank accounts and false identities are just the tip of the iceberg. TV host CHRISTOPHER MASON, a longtime chronicler of high society and its duplicitous affairs, reveals the secret realities lurking behind these mansions. BEHIND MANSION WALLS premieres on Monday, June 6 from 10-11 PM ET on Investigation Discovery.The Bang Bang lyrics, of course, are from Lady Gaga's "Beautiful Dirty Rich."