article_snippet.sent: As far as hard evidence goes, that's about all police have.
article_snippet.sent: What's left is theory, speculation and a case that's been cold almost from the beginning.
article_snippet.sent: I think there is something out there.
article_snippet.sent: Whether it's evidence or a person, there's something that could lead us to something," he said.
article_snippet.sent: It's pure conjecture, not based on any factual knowledge.
article_snippet.sent: The evidence is the same," she said.
article_snippet.sent: There is always a remote possibility that we might never have an answer," said Lt. James Emigh, who leads the investigation for the Pennsylvania State Police after inheriting it last year.