Meanwhile , KTXS said that Hailey Dunn 's older brother has been taken into temporary custody of Child Protective Services . Polly Klaas ' father joins search for teen . Hailey Dunn , 13 , has been missing since December . Her mother says she was last seen at a friend's house in the small town of Gillette, Wyoming on Friday. Both mother , boyfriend have failed polygraph tests .
Polly Klaas ' father joins search for teen . Hailey Dunn , 13 , has been missing since December . Her mother says she was last seen at a friend's house in the small town of Gillette, Wyoming on Friday. Both mother , boyfriend have failed polygraph tests .