manhunt for phil barr. >> kinda lost track of him. we were actually then able to -- to locate phil in the vermont area, very close to the canadian border, where we think he had fled with the intent possibly of -- of leaving the country. >> reporter: but the case against the men needed more, and so the cold case team kept investigating. and in 2014, one of them came across a name buried deep in an old file. right after tara disappeared, a next door neighbor told investigators she saw barr and another man at tara's house that day, but she couldn't see much because her view was blocked by a fence. so that went nowhere then, except the neighbor happened to mention that her sister-in-law had been visiting that day. but, no one had ever interviewed her. >> kurt, i think, had found her name and said, "hey, do you -- who is this person?" and mike said, "oh, i know someone by that name." so mike then went out and-- and