Fire captain Bob Pointer is shot dead on a Texas country road, and his wife Chasey's story keeps changing. Was she a battered woman seeking escape, or did she orchestrate his murder for life insurance money? Josh Mankiewicz investigates a case where digital evidence contradicts emotional pleas. Chasey Pointer's blood spatter pattern on her arms proved she stood extremely close to her husband when he was shot, contradicting her claim she didn't see the shooter.