DELPHI, Ind. (AP) -- Investigators have moved to a larger headquarters as they work on finding who killed two teenage girls near a northern Indiana hiking trail.
Carroll County Sheriff Tobe Leazenby says investigators relocated Saturday from Delphi's municipal building to the Carroll County REMC building.
Sgt. Tony Slocum, with Indiana State Police, said the move was made to accommodate the city of Delphi, who has to use their building to conduct everyday business.
The Delphi girls' bodies were found Feb. 14 in a wooded area near the community about 60 miles northwest of Indianapolis. They vanished the day before while out on the trail.
Authorities have released a grainy photo of a man and audio of a male saying "down the hill" taken from German's cell phone.
Listen to the audio by clicking "play" above.
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