Tim Wardle was working at a production company in London when he first heard about identical triplets separated at birth in the 1960\u2019s and adopted by three different families. The brothers knew nothing of each other\u2019s existence until they were reunited by chance at age 19. Wardle talks to Matt Holzman about how he got to make the crazy story told in his new documentary \u2018Three Identical Strangers.\u2019