Anyone with information about the murders or person in the composite sketch is asked to call the anonymous tip line at 844-459-5786.
Police have not had any luck making an arrest.
The Indiana State Police on Monday released a composite sketch believed to be connected to the deaths of two teenaged girls five months ago. Police previously released a photo of the suspect recovered from Liberty's cell phone.
In the five months since that day, Indiana State Police, the Federal Bureau of Investigation and multiple other agencies across the state have spent countless hours investigating and interviewing witnesses and possible suspects.
From that, they issued the grainy photo of someone who seems like a white man in blue jeans, a blue coat and a hoodie. The words "down the hill" are heard.
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The suspect has been described as 5-foot-6 to 5-foot-10, weighing between 180-220 pounds with reddish brown hair.
The friends and fellow softball players had been dropped off the day before near an abandoned rail bridge over a creek, police said. We ask that you focus on the person's facial features. Their bodies were found near the Delphi Historic Trails on February 14.
The sketch depicts a hat, but police say it might not be accurate.
Indiana State Police Sgt. Kim Riley said investigators have received over 18,000 tips and interviewed over 1,000 potential suspects.
The reward for information leading to the arrest of their killer has grown to over $230,000 since February.