DNA reveals identities of twins shot and set on fire along road. Two are accused of murder.

But attorneys for Cathirell have been preparing a self-defense claim to explain the violence, while a court-appointed lawyer for Byrd, 24, declined to reveal his trial strategy to the South Florida Sun Sentinel. Arrest reports tag Cathirell as the shooter, with Byrd a key part of the deadly confrontation and the botched cover-up.