in in spite of bob lawson's statements and having found bethany's remains, detective klinkhart didn'teded more. and knew he could only get it with bob's help. so he tried to convince bob. said he had to do it to save himself. why? because in the end, said klinkhart, mike would point the finger at bob and say he killed bethany. >> i told bob, i said you know you may not believe me right now but i will tell you i right now when this comes down you know who he will blame and he looked at me and he said no. and i said he's going to blame you and you could see the wheels were turning. he didn't want to believe that. >> that's when bob agreed to cooperate fully and help police gather the physical evidence they needed to charge mike in bethany's murder. >> i got to tell you it is hard. the hardest thing i ever done in my life. . >> it turns out one of the last things he would do in life. >> i just thought it is all going to come apart. ppth to see ca winow mewould t haen to the case wi w t nooustths itit w arssne when mystery at bootleggers cove continues. cove continues. " continues. i can'