bonnie parker was married to someone else when she was killed. he whole time bonnie and clyde were an item, she was still legally married to some other guy and wearing his ring? then clyde, bobby believes, gives her this one. why wasn't she wearing it? >> i don't know why bonnie wasn't wearing it when they had the shootout in sowers in november 1933 when smoot had the shootout. but i do know he lifted all these things out of the car. >> could bobby be right? clyde's nephew buddy believes so. in fact, he thinks his uncle could have actually made the ring himself when he was in huntsville prison. >> clyde made jewelry in huntsville, and i've got a belt buckle he made while he was incarcerated. >> wow! with a "b"? for barrow? >> for barrow. >> as for the strange ring, buddy totally can see clyde making it for bonnie. >> clyde was sort of a mythical guy. the snake is a symbol of eternal love. it looked like something he could possibly design. >> next step? bring in a jewelry expert. david bellman wonders if the insignia inside bonnie's ring is another

. ♪ >> a crime ring -- family-style. [ gunfire ] she's the niece of the notorious bonnie parker. >> mybonnie. then she connected with clyde. >> clyde barrow was his uncle. >> once clyde had been accused of murder, he didn't turn back. >> their grandfather was a lawman who hunted them. >> two of the south's worst killers. >> your grandfather was the sheriff. >> killing bonnie and clyde was the ultimate. >> grim souvenirs, one strange inheritance. >> it was just like finding treasure after treasure. >> bonnie parker's three-headed snake ring. >> sitting there... >> right. >> ...all along? [ door creaks ] [ wind howls ]