on september 13th, 2010, detective wagner knocked on the >> cindy musante's son came to the door. and i asked him where mr. schirmer was and he said he was in the kitchen. and as i started to approach into the kitchen area, he went out the back door and ran right into trooper maynard. >> reporter: a.b. schirmer did not resist. he was cuffed and read his rights, charged with the murder of his second wife, betty. the deepest secrets of the reverend schirmer were about to be revealed to all. he would stand trial in a case that would leave a small pennsylvania town abuzz with its ungodly charges. prosecutors seemed to have a strong case. but don't underestimate the defense. >> he did a lot of things that weren't appropriate in the case. murderer. hey, guy! pc does what?! shhhh pc does what no pc has done before. does yours? [eerie music] i am the ghost of cookies' past...residue. oh...so gross. well, you didn't use pam. so it looks like you're stuck with me! bargain brand cooking spray leaves annoying residue. >>> the prosecutor had no doubt the pastor a.b. schirmer was a dangerous ch

his administrative assistant of the past two years, cindy musante, helped him take care of the funeralhter, samantha, who was 16 at the time, remembers it well. >> that morning of the service, i actually went over early and was helping her with the last-minute details. >> reporter: the church was packed as people rose to eulogize the beloved betty, but nothing was heard that day from the pastor a.b. schirmer. he sat in the pews and listened. he'd presided over so many funerals but told friends that this was one he couldn't bear to speak at. in the receiving line the preacher stood next to his stepson nate as the funeral goers each paused briefly to offer their condolences. one of them was cindy. >> he said, "nate, i'd like to introduce you to my church secretary. this is cindy." and he said to me, "we have a little inside joke between us at the church here." and he said, "i go by a.b., and she is known as c.d." and then he said, "a, b, c, d." and they kind of chuckled together about it. >> reporter: did you think that was kind of a cozy, jokey thing? >> i just thought that was kind of