Retired LAPD detective claims unearthed letter links his father to Black Dahlia slaying

Retired LAPD detective Steve Hodel believes a new clue appears to identify his late father as the prime suspect behind one of the most infamous murders in America. 

source https://www.foxnews.com/entertainment/retired-lapd-detective-claims-unearthed-letter-links-his-father-to-black-dahlia-slaying