Woman obsessed with Columbine massacre found dead: Police

Sol Pais, 18, of Florida, flew to Denver and bought a shotgun and ammunition, police said, setting off a 36-hour manhunt and closing area schools.
2:33 | 04/17/19

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Transcript for Woman obsessed with Columbine massacre found dead: Police
Parents forced to keep their children home as authorities searched for a high school student from Florida described as armed and extremely dangerous. A bulletin going out warning she was infatuated with the massacre at colcolumbine. Today, that hunt leading authorities west of Denver, where they found her dead in the woods, before authorities could get to her. They believe she took her own life, and ABC's Clayton Sandell leads us off from Colorado. Reporter: Tonight, investigators are trying to piece together how an alleged threat from one high school senior took an entire community hostage, closed more than 100 schools and kept half a million kids home. We all felt safe, and now we don't. Reporter: An intense 36-hour manhunt for 18-year-old sol police say she was obsessed with the columbine massacre. It began with a tip she had flown from Miami to Denver on Monday, immediately stopping at this gun store to buy a shotgun and ammunition. She did not seem nervous at all. She seemed normal. Reporter: A rideshare driver told police he dropped Pais in the mountains west of Denver Monday. That is where search teams found her today. She appeared to have died from a self-inflicted gunshot wound. Reporter: Police today justified those school closures, saying that shotgun purchase, the trip to Colorado on a one-way ticket, and her columbine infatuate make her a credible threat. We've been combing all manner of her social media and obtain, again, comments, statements, things that would lend credence to the fact that she was a potential concern. Reporter: In Florida, where Pais was a senior and an honor student, friends are shocked. She was really smart. She was a smart girl. Reporter: Columbine has long inspired copycats and potential copycats, a legacy this community never wanted. We are not a tourist attraction. And we are not a place for you to come and gain inspiration. And Clayton Sandell joins us live outside columbine tonight. And you really feel for that community, Clayton, with the 20th anniversary just days away. And for the parents who had to te side today what they should share about their young kids about what's transpired the last 24 hours. But we know these students are expected to return to school tomorrow? Reporter: That's right, David. All the kids that stayed home today will be back here at columbine and classes around Denver tomorrow, but they will notice more security and more police. Also, a memorial service is planned for that 20th anniversary, it will go on as planned this Saturday. David? Clayton Sandell leading us off tonight. Clayton, thank you.

This transcript has been automatically generated and may not be 100% accurate.

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