NEW : Mom discounts missing woman 's story in Las Vegas . Latice Sutton told HLN 's `` Issues with Jane Velez-Mitchell '' that the man who reported the sighting has n't seen her daughter for a decade . Mitrice Richardson has been missing for nearly a year . A high - school classmate says he saw her in a casino in June . Police say they have more than 100 other possible sightings .
NEW : Mom discounts missing woman 's story in Las Vegas . Mitrice Richardson has been missing for nearly a year . A high - school classmate says he saw her in a casino in June . Police say they have more than 100 other possible sightings .