i'm craig melville.re hiding something about her son courtney's shooting, she says a look at video from that night confirmed those fears. in her eyes, officers had treated courtney like a suspect, despite his pleas for help. now, shapearl was about to team up with a resourceful new ally to launch an investigation of their own. back to josh mankiewicz with the story of somebody. >> one year after a murder, you would expect detectives to know a whole lot about their victim. so how well did chicago police detectives know courtney copeland? you two were among his closest friends, so, i mean, if i were investigating his death, i would be talking to the two you, what was going on in his life? who was he seeing? who didn't like him? the police ask you those questions? >> no. i was never interviewed by any type of detective. >> did they sit you down and ask any of that stuff? >> it's surprising because they should've, you know? >> shapearl had obtained some copies of the police reports, in spite of the reassurin

. >> i'm craig melville. >> i'm natalie morales. >> this is dateline. >> the wedding was beautiful, i thought he was the love of my life. i wanted them to find the real killer. i wanted all of this to be behind this. go on happily ever after. >> single mom meets single dad, and in a single moment it was love. >> he was very handsome. >> he was fun. >> all smiles, very outgoing, charming. >> everything he did melted my heart. >> but there is something else about this dreamy single dad, something about his past, something deadly. >> my wife, she's dead. >> i just came into the house, i saw janet on the floor. >> she was crying, he was in shock. his whole life was shattered. >> he said i should probably let you know that my wife was actually murdered. >> killed in a crime that had never been solved. >> she was almost the perfect victim. >> and what about him? he had become the focus in his first wife's mysterious death. was he a victim too? >> on the father, i have a family, i did not kill janet. >> i felt horrible for him. >> you did not want to believe? it >> who would want to believe

k you for watching >> i'm craig melville and this is dateline. >> that must be a pit in your stomach when you hear that your inmate is gone. >> yes, he's a very, very dangerous person. >> you said a prisoner had escaped and toby was missing. we assumed that he took her prisoner to be used as a hostage. >> they were concerned for toby's safety. >> we found out that she had taken a large sum of cash and two firearms were missing from the house. >> you think could she be involved in something like this? >> she had children, a husband, it seemed like it was a white picket fence type life. >> there was absolutely no way toby could be involved in this. >> you see this truck -- >> my gut feeling was telling me it was them. >> i said this is our guy. >> this sounds like one of those fast and furious car chases. >> i was terrified that they were going to get kills. >> very wild story. >> so many twists and turns. >> nerve wracking. >> shocking. >> it is unbelievable. >> hello and welcome to dateline. when convicted killer john escape from prison authorities feared he would go to any lengths t

. >> i'm craig melville. >> i'm natalie morales. >> this is dateline. >> the wedding was beautiful, i