killed his sister and nearly ruined his own. >> it is a remainder of that entire day and it is bone chilling, it is. >> reporter: sean smith is talking about the police he made to police 26 years ago after accidentally shooting his baby sister. >> my sister is choking. >> she is choking? >> she is dead. >> she is dead? >> yes, please get my mom and dad, oh, my god. >> reporter: it happened in an instant, a brother and sister and loaded gun. >> i didn't know my dad's gun was loaded. >> okay. >> and i shot her, and i didn't mean to. >> it was june 5th, 1989, sean smith was 10 years old and his sister erin was only 8. the two were home alone after school. sean was searching for his video games in his parents' bedroom when he came across his father's 38 k .38 caliber handgun in the dresser drawer. sean didn't know that the gun was loaded.