Tucson Police are still working under the assumption that 6-year-old Isabel Celis, reported missing on April 21, can be found alive.
"We have no indication that she's not OK, that she's not alive," Tucson Police Sgt. Maria Hawke said.
However, Hawke said there are no new developments in the case.
Tucson police have 20 investigators and 30 support staff working with FBI and the U.S. Marshals Service personnel in the search.
Hawke said the amount of personnel on the case will remain the same as long as necessary.
Hawke said police are still following more than 1,000 leads.
She said no one has been ruled out as a suspect, but no one has been identified as a suspect.
Hawke said police have not identified any suspect vehicle, either.
Today's briefing from the police was the first since their last daily update on May 8.
There will be no media briefings by the police over the weekend, unless something breaks in the investigation. Hawke said the next briefing will be Monday at 2 p.m. Tucson News Now will stream the briefing live.
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