MSNBC Dateline Extra September 6, 2021 04:42:00
>> we'd fool around a little bit, but i, mean -- >> how do you mean? >> it's just kind of like she would pinch me, i would poke her in her side. just like teasing. sibling teasing, i guess you could call. it >> okay. >> kind of like flirting, no? >> not quite like -- i don't know, maybe. i didn't consider it flirting. it was unlike, as far as i know she was never interested in me. we were just friends. >> and after jessica was murdered, it was matt who vowed to take her revenge and told detectives he felt so guilty for failing to protect her. >> i would do anything for my friends. >> okay. >> ...