>> innocent people, you know, can be intimidated. their will can be overborne, and they can be brought to falsely confess to a crime. you know, this has happened to soldiers. it's happened to all kinds of people from ordinary walks of life. >> from what clark is telling him about eddie lowery's case, scheck thinks he may, in fact, be innocent. >> the great thing about barry clark, you know, he's a really good lawyer. he's a very earnest, honest, straightforward guy, you know, an all-american guy like eddie in a way. and he says, i think he's innocent. we've had enormous success with people who are on parole and are out of jail and they insist, i need that test to vindicate myself. >> in 1981 when the victim was raped, semen samples were taken from her body, clothing, and bed