The wife and daughters of Sgt. John Hartley Robertson, a one-time Green Beret, initially agreed to participate in DNA testing, before changing their minds last year, according to a filmmaker behind a new documentary asking whether the man is indeed who he says he is.

'Somebody suggested to me maybe that's (because) the daughters don't want to know if it's him,' said Jorgensen. 'It's kind of like, "That was an ugly war. It was a long time ago. We just want it to go away".