Valerie's sister was recently interviewed for this article: Long Island serial murders: Families of victims renew calls for justice in decade-old cold case " 'I figured she was gone all these years, but not in the way that they described,' Mack’s adoptive sister, Angela, said in an interview with Fox News. 'It's just really hard to think that somebody could do that to her,' she said. How Mack ended up on Long Island – some 180 miles from her hometown – is a mystery to her family. 'Nobody, nobody could understand how she got to New York because any time she would disappear, she went to Philadelphia,' she said. 'I really don't think she went to New York willingly at all.' Mack had begun to turn her life around shortly before her disappearance, according to her family. 'She was working at a dollar store chain, seeing Benjamin again, and she wasn’t doing any drugs,' said her sister, who remains hopeful an arrest will be made someday. 'I know there are cases solved 40, 50 years later. So I guess I can just hope eventually, one day, hopefully there will be justice,' Mack said. 'I just really would like to find out who did it. I just want to see their face, to see who could mutilate my sister's body. And like, to find out a reason.' "