and then one day in 2010 came a phone call that would break this case. a confidential informant who said he knew exactly where mike snyder was. >>ed looked in the yard. not found anything. not found mike. not been able to talk to ellen. i'm not going to say it wasn't going anywhere, but it certainly didn't seem to be pointing immediately to any resolution. >> correct. >> and that is when you had this call? >> yes. >> detective mark wilson was sitting in his office when a most unexpected call came in. the caller, a confidential source, who said that he had information on mike snyder. >> who was this confidential source? >> somebody that was a friend with michael sheffield. >> ellen's son. >> ellen's son.