hiding? that question would lead detectives to a dark discovery because someone else had a secret too. >> we never talked about what happened or why it happened. >> every marriage had its secrets and this one was no different. but what if the secret becomes bigger than you? >> i was just solving the problem. >> they were two people who had been unlucky in love the first time around. back then she was ellen sheffield in her early 30s, divorced with a young child. and looking for someone to share that next chapter of her life. then quite literally in walked mike snyder. >> and i said hi, mike, how are you doing? >> it was the fall of '91. auto mechanic mike snyder was