"Libby had the presence of mind to turn on her video camera", Capt. David Bursten, chief public information officer of the Indiana State Police, told reporters.
Indiana State Police played a clip of a man's voice saying "down the hill" during a Wednesday news conference.
They say the suspect picture we've been showing, came from Libby German's cell phone.
Police released this photo of a man they are trying to identify after the bodies of two missing IN teens were found near a hiking trail.
Those are the three words, muttered by an unknown man, heard in a video captured by 14-year-old Liberty German's cellphone about the time of her death last week near Delphi. According to police, there's no telling if the person was local, knew the girls or contacted them previously.
Police posted the image as well as the audio on the Indiana State Police's website in the hopes someone will recognize the man. Police revealed Wednesday that the photo came from Liberty German's phone. Sadly, those would be the last photos taken of them alive. They also say they have an audio recording from her phone.
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Police released two images of the man, who was wearing light blue jeans, a blue jacket, and a brown hat on the day of the murder.
State police say they are choosing to not release any more information due to the risk of soliciting phony tips or assisting the murderer.
On Sunday, however, Indiana State Police Sgt. Kim Riley said in a news release that the man was suspected of "participating in the murders" of the teenagers. The friends were supposed to be picked up from the trails by family later that afternoon, but they never showed up to the pickup location.
"If you're watching, we'll find you", Carter said. Following an extensive search, at approximately 12:15 p.m. on February 14, 2017, the bodies of the two girls were found in a wooded area near the Delphi Historic Trail, approximately one-half mile upstream from the bridge.
Anyone with information about this case, no matter how insignificant, is encouraged to call the Delphi Homicide Investigation Tip Line at (844) 459-5786.
A $41,000 reward is being offered for tips that lead to an arrest in the case.