>> green county, virginia, 2009. 28-year-old patrick shemorry is caught on tape listening impasseively to an apparent hitman boasting about completing an assignment, the assassination of patrick's estranged wife, starla knight. friends and relatives are baffled over the description of the soft-spoken real estate agent as the architect of a murder for hire scheme. >> mr. shemorry does not fit the profile of a killer. >> where did you put her remains? >> in the lake. tied her up. >> mm-hmm. >> as the man prosecutors call witness number one records him with a hidden camera, patrick reacts with calculated detachment, proof authorities say the air force veteran truly wanted his wife killed.