Join Glenn van Zutphen, as he chats with award-winning author, Neil Humphreys, about John Demjanjuk, the man accused of being the mass murderer Ivan the Terrible on #WeekendMornings.

Join&nbsp;Glenn van Zutphen, as he chats with award-winning author,&nbsp;Neil&nbsp;Humphreys, about John Demjanjuk, the man accused of being the mass murderer Ivan the Terrible on #WeekendMornings.