until they had a body. >> and so another four years passed. mike's sister teri became more and more dissatisfied with the progress detective wilson was making. >> i think at first he was very zealous. he felt that, you are right, a lot of this isn't adding up and i believe at first they worked very hard to find my brother. >> as the years went by, the unknown had become unbearable for the snyder family. they wanted answers from the police. >> i think he got very upset with me that i was being pushy. our phone conversations got less and less. i would call and leave a message and my messages weren't being returned. they kind of, i think, put the case on the back burner, i believe. >> detective wilson did continue to look for mike snyder but wilson had to also focus on the 20 other cold cases that needed his attention.