Isabel Celis: Missing Tucson girl's family allowed to return home

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By Catherine Holland By Catherine Holland

TUCSON, Ariz. (AP) -- The family of a missing 6-year-old girl was allowed to return to their Tucson home on Tuesday, a day after authorities kept them away as they searched for clues to her disappearance from her bedroom.

Police spokesman Sgt. Marco Borboa said Isabel Mercedes Celis' family was told that they could return to the house. It was not immediately known whether they had returned.

On Monday, FBI dogs - one that can find human remains and the other used for search and rescue - went through the family's home and turned up information that required a follow-up, but police declined to say what that was.

Tucson police are trying to determine what happened to Isabel. Her parents say they awoke on Saturday to find her missing. Police said a window was open with the screen pushed aside.

Since Saturday, investigators and volunteers have fanned across Isabel's neighborhood and an area landfill searching for clues. Volunteers posted fliers with a photo of Isabel - about 4 feet tall with brown hair and hazel eyes - holding a school award.

Her parents, identified by friends as Becky and Sergio Celis, told investigators they last saw the first-grader at 11 p.m. Friday. Her mother, a nurse, was at work Saturday when her father went to wake her at 8 a.m. and discovered her missing, police said.

Police call the case a "suspicious disappearance/possible abduction."

"We're not ruling anything out of the investigation at this point because we really need to keep our mind open about all the information that's been brought to us," Police Chief Roberto Villasenor has said.

Officers have been interviewing sex offenders in the area - a practice that has become standard in all abduction investigations.

The family said in their first public statement that they are fully cooperating with authorities.