NEW : Mom discounts missing woman 's sighting in Malibu . Capt has been missing for June . A high-school classmate says he spotted her in a casino in nearly a year . said Thursday . Police say they have 25 other possible sightings .
NEW : Mom discounts missing woman 's sighting in Malibu . Capt has been missing for June . A high-school classmate says he spotted her in a casino in nearly a year . Police say they have 25 other possible sightings .