Ryan Duke - S3.E6

Georgia high school teacher Tara Grinstead's sudden disappearance in 2005 goes unexplained for 11 years until a surprising statement to law enforcement from Bo Dukes, a former student, names his friend and former classmate, Ryan Duke, as her killer. Fighting for his freedom, Ryan Duke takes the stand at his trial to assert who he says is the true killer. Will his testimony be enough to convince the jury he didn't murder Tara Grinstead?