Jan 18, 2014 3:45 PM by Associated Press
TUCSON - Police say a door-to-door effort in the case of a Tucson girl who disappeared from her bedroom more than 18 months ago has yielded some possible tips.
Sgt. Pete Dugan says police expect to finish talking to residents Saturday in the area where Isabel Mercedes Celis lived.
He says police received several phone calls within the last few days and are still trying to figure out if any hold new information.
Authorities have been searching for the girl since her father reported her missing in April 2012. Dugan says the neighborhood canvass was not being conducted because of any new lead.
Family members have said they last saw her in her bedroom the night before she vanished.
Police have declined to say whether the child is believed to still be alive.
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