In November 1997, when the skeletal remains of at least 28 bodies were unearthed in the basement of an elegant townhouse, police feared it was the work of a serial killer. But when research indicated the bones actually dated to the mid-1700s, the implications became even more dramatic. This was no ordinary house: 36 Craven Street was the former residence of one of the most important men in American history, Benjamin Franklin. Could the unthinkable be possible? Could one of America's most iconic figures have been responsible in some way for the bones in the basement?