Investigators are expanding their search for a suspect in connection with the murders of two in teen girls who went missing and were later found dead near a hiking trail last week.
Police say 13-year-old Abigail Williams and 14-year-old Liberty German were found dead along a hiking trail.
The girls' bodies were found Tuesday about a quarter-mile from an abandoned railroad bridge that's part of a trail system where the teens had planned to go hiking on during a day off school in Delphi, a community of about 3,000 people some 60 miles northwest of Indianapolis.
Last Wednesday, Indiana State Police released two photos of a man who was seen walking along the trail at around the same time Abigail and Liberty were there.
"We want to look at any aspect of what somebody might have seen", Riley said, adding that if someone saw a person throwing away a backpack, they'd be interested in tracking that down, too.
"He's going to be our main suspect at this time", he said.
Authorities with the Carroll County Sheriff's Office in Delphi, Ind., released this photo of a man they'd like to speak to in the case of two teens who were killed.
The photos appear to show a white man dressed in light blue jeans and a blue jacket over a brown shirt.
Their deaths were ruled a double homicide, but police didn't say how the teens died.
A task force made up of Federal Bureau of Investigation agents, state police and local law enforcement is investigating.
Police have not revealed the cause or manner of death.
On Saturday thousands came together to remember Libby German and Abigail Williams at a public visitation.
On Saturday, a large crowd filled Delphi Community High School for a memorial honoring the two girls.
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