Experts express doubt that Anne Frank was betrayed by a Jewish notary

A new book by Rosemary Sullivan suggests that Arnold van den Bergh could have revealed the family's hiding place, but other historians are not convinced

Historians have voiced their scepticism about a book that has identified a Jewish notary as the prime suspect for the betrayal of Anne Frank and her family to the Nazis.

The Betrayal of Anne Frank, by Rosemary Sullivan, based on research gathered by retired FBI detective Vince Pankoke was published on Tuesday by HarperCollins with some fanfare.