How did frank abagnale senior really die?

Answer 1

Frank Abagnale senior was walking down stairs at a subway and tripped and hit his head. Frank William Abagnale jr. was in prison at the time (french or swedish prison)

Answer 2

Frank Abagnale Sr. died of dropsy, a term used in the past to describe edema or fluid retention due to heart failure. He passed away in 1974 at the age of 56.