article_snippet: Her sister Allison Robert Durst has begged the multi-millionaire to come clean to help end nearly 18 years of agony for Her sister Allison family.
article_snippet: Speaking exclusively to Daily Mail Online, yoga teacher Allison Modafferi urged Robert Durst to be honest with police if Her sister Allison knows anything about what happened to Robert Durst sister, honors student Kristen Modafferi. '
article_snippet: Without a trace: Yoga teacher Allison Modafferi (left) urges Robert Durst to be honest with police if Robert Durst knows anything about what happened to Robert Durst sister, honors student Kristen (right)
article_snippet: The Life and Deaths of Robert Durst.
article_snippet: Durst, a noted cross-dresser. '
highlights_snippet: Her sister Allison urges Robert Durst to be honest with police if Robert Durst knows anything about what happened .
  