‘The Yogurt Shop Murders’ Crew Thought Their Journey Was Done Until There Was a Big Break in the Case: ‘We Have to Rally Now’

Two days’ notice is all director Margaret Brown had to figure out how to give her true-crime docuseries “The Yogurt Shop Murders” an ending. The original four-part series, chronicling the brutal 1991 murders of four young women in Austin, Texas, denied audiences what the victims’ families ha…