Real estate heir Robert Durst has been investigated in 11 deaths and a disappearance . A microphone catches Durst saying he `` killed them all '' Legal experts debate whether that audio can be used against him in court .
Real estate heir Robert Durst has been investigated in two deaths and a disappearance . A microphone catches Durst saying he `` killed them all '' Legal experts debate whether that audio can be used against him in court .