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Isabel Celis: Missing Tucson Girl's Brothers Removed From Care of One Parent

ABC News(TUSCON, Ariz.) -- The two older brothers of missing Tucson girl Isabel Celis were removed from the care of one parent on Friday after Child Protective Services consulted with police.

Authorities declined to say which parent, Sergio or Becky, has custody of the children.

"There's a lot of details that I can't share with you: what got us to this point, what was that information," Lt. Fabian Pacheco of the Tucson Police Department told ABC News' Tucson affiliate.

Isabel Celis was reported missing by her father around 8 a.m. April 21 after her mother left for work and her father went to wake her up.

The six-year-old was not in her room, and a bedroom window was opened with the screen removed, police said.

The little girl was last seen around 11 p.m. April 20, when she was put to bed.

Police haven't eliminated anyone as a suspect, including the Celis family. They also haven't eliminated the possibility that investigators will find Isabel and bring her home safely.

After Isabel was reported missing, police interviewed 15 registered sex offenders in the neighborhood.

Police have searched homes in the family's neighborhood, dug through a nearby landfill and searched waterways and drainage systems in Tucson. More than 1,000 tips have poured in regarding the six-year-old's disappearance, police said.

Isabel's parents made several public, emotional pleas for the safe return of their daughter in the days after her disappearance.

"Just please, please, to the person or persons who have Isabel, tell us what you want. We will do anything for her. We're looking for you, Isa," Sergio Celis said tearfully.

The search has also extended into Mexico, where authorities in the state of Sonora have been circulating photos of Isabel.

Copyright 2012 ABC News Radio

ABC News Radio