Halloween Eve True Crime Bonus: Black Dahlia case solved and here's who investigator says did it

Eli Frankel, award-winning documentarian, spent five years investigating the Black Dahlia case, where a 22 year-old Elizabeth Short was sawed in half and left in a field outside Los Angeles. He believes the case is solved, alongside a much-lesser known cold case in St. Louis. Frankel, author of 'Sisters in Death,' discusses his findings here with Christy Strawser....