![A man and woman hold up a poster of ISIS prisoners](/sites/default/files/media_2020/06/202006mena_canada_isis_1.jpg)
Sally Lane and John Letts hold a poster of their Canadian son, Jack Letts (circled) in a prison for ISIS suspects in northeast Syria.
© 2019 Simon Hooper/Middle East Eye
Sally Lane and John Letts hold a poster of their Canadian son, Jack Letts (circled) in a prison for ISIS suspects in northeast Syria.