'Elkhart 4' Murder Conviction Questioned

Teens were convicted of friend's killing during a burglary gone wrong despite not firing the shot that killed him.
2:17 | 07/26/14

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Transcript for 'Elkhart 4' Murder Conviction Questioned
We'll start with a controversial murder case raising questions about how we treat juvenile offenders in the country. Four teenagers in Elkhart, Indiana, convicted of murder even though none of them fired the shot. Elkhart four they've become known as and juju Chang has the story. Reporter: In Elkhart, Indiana, five young friends gather on this porch and make an impussive decision. Someone suggests finding a house to rob. They could use some extra cash. It was just finding quick money. We never planned to hurt anyone. You know, not to even confront anyone. Reporter: They settle on a home they see every day, the one across the treat. The first thing I heard is gunshots. They thought the owner wasn't home and he was and had a gun. Did you know you had been shot. I felt something warm and came up with a handful of blood. Reporter: Then Blake realizes something else. His 21-year-old friend Denzel Johnson is slumped next to him. Shot in the chest. Bleeding heavily. He died in your arms? He died in between like right in between me and Jose. Reporter: What started out as a teenage lark has left one of them dead and now the surviving teens are accused of a crime much bigger than a break-in. They called and said he had been arrested for murder. Reporter: Felony murder because when someone is killed during certain crimes in this case, burglary, everyone committing the crime can be held responsible. You home invade a home it's foreseeable the homeowner is going to shoot you and the answer is, yes. Reporter: The trial lasts four days. Charged as adults, the teenagers were found guilty. With their sons sentenced to 50 plus years behind bars, the moms are fighting to overturn what they say are unjust and cruel sentences. We're hoping we got so many advocates we're hoping we can so no other kids have to go through this. We'll fight with everything we have. Reporter: For "Good morning America," juju Chang, ABC news, elkha Elkhart, Indiana. There's a lot more to it. See the full story tonight on a show near and dear to my heart "Nightline prime" at 10:00 eastern. A lot of great stuff coming up on the broadcast. Thanks to juju.

This transcript has been automatically generated and may not be 100% accurate.

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