Jack Callahan, now 22, told police in 2021 that he tried to exorcise a "demon" from his father, 57-year-old Scott Callahan, by baptizing him at Island Creek Pond. The Plymouth County District ...

He was brought to Beth Israel Deaconess Hospital in Plymouth, where he was pronounced ... Jack Callahan said he was exorcising a demon named "Dirty Dan," telling police he gave his father a ...