she felt very special, and beautiful. >> but police did need a name, fast. chris was able to provide at least part of that crucial detail. >> can you tell me about him? can you start me off with a name? what is his name? >> edward, is all i. got >> edward? >> yeah. >> did you think that this other man could be a game-changer to this investigation? >> to me, this was definitely, you know, a person of interest that we need to speak with. >> detectives now launched a hunt for a man named edward. they wanted to know did heather the butterfly leave behind her old life to build a new one with another man. >> coming up, the other man revealed. >> if that's what she wanted. >> when dateline continues. namaste... ...surprise parties. aww, you guys. dupixent helps prevent asthma attacks... ...for 3!...