CPS released the following statement to CBS 5 News on Friday.
The Department can confirm that CPS is working closely with law enforcement to ensure the continued safety of the children. At the present time, the children are not in CPS custody. The Department appreciates the community's support and understanding in protecting the privacy rights and safety needs for these children during this ongoing joint investigation.
During a news conference Thursday, Hawke said investigators are still sifting through 1,000 tips that have poured in since Isabel was last seen in her bedroom the night of April 20 and discovered missing the next morning.
Stay with cbs5az.com and CBS 5 News for updates on this developing story.