Two bodies were found in Indiana during a search for two missing girls on Tuesday— and authorities suspect foul play, PEOPLE confirms.
A spokesman for the Carroll County Sheriff’s Office would not confirm if the bodies discovered were identified those of missing 13-year-olds Liberty German and Abigail Williams.
The bodies were found Tuesday at about 12:15 p.m. and the case is an ongoing investigation, the spokesman tells PEOPLE.
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“We are investigating this as a crime scene,” Indiana State Police Sgt. Kim Riley said at a press conference shortly after 2 p.m. Tuesday. “We suspect foul play.”
At the press conference, police said they have not called off the search for German and Williams but efforts have been “scaled back.”
Investigators believe foul play is involved by the way the bodies were found, Riley said.
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The girls were determined to be missing on Monday, hours after they had been dropped off to go hiking earlier that day, PEOPLE confirms.
Indiana officials announced that the bodies were found Tuesday on the edge of a creek near an abandoned railroad bridge where German and Williams were dropped off.
An autopsy is being conducted in Terre Haute, officials say. It is expected to be completed Wednesday afternoon.