DENVER – The FBI said there is no longer a threat to Denver.

Sol Pais, 18, a woman infatuated with Columbine, is dead, according to police.

She was found Wednesday in Clear Creek County, west of Denver, near a small ski resort close to Mount Evans, the CBS television affiliate in Denver and KUSA-TV reported.

Surfside, Florida, Police Chief Julio Yero said Pais “took her own life.”

Authorities said earlier that an armed and dangerous woman made “credible threats” against Denver-area schools four days before the 20th anniversary of the Columbine school shooting.

The FBI tweeted, "THERE IS NO LONGER A THREAT TO THE COMMUNITY. More information to follow shortly."

Police said Pais, who is from Surfside, was “infatuated” with the Columbine shooting. They said she traveled from Miami to Colorado on Monday night and bought a pump-action shotgun and ammunition.

Officials declined to specify the exact nature of the threats. Authorities said Pais was “extremely dangerous.”

Schools across the Denver area and other parts of Colorado, including Columbine High School, closed Wednesday amid the alert.

An official from Miami-Dade County Public Schools confirmed Pais was a student in her senior year at Miami Beach High School.

A person identified as “Sol Pais” ran an online blog that included pictures of guns and journal entries filled with angst and other disturbing messages.

"The purpose of this site is for me to give insight into the thoughts I rarely, if ever, share with others, while remaining somewhat anonymous. Everything from journal entries to my personal interests - I want to leave a record of myself before I, well..." the blog says.

In the "About me" section, the individual wrote, “I am the face of loneliness and misery.”

USA TODAY was not able to independently confirm that the blog belonged to Pais.

A person with the same screen name, "dissolvedgirl," posted on a National Gun Forum message board about living in Miami and traveling to Colorado to buy a gun. Law enforcement did not say whether the person was Pais.

Pais' parents reported her missing Monday night, according to the Surfside Police Department. FBI agents entered her home Tuesday evening at 8:20 p.m., the Miami Herald reported.

A man who answered the door of her home who identified himself as her father said he last saw her Sunday evening, according to the Herald. “I think maybe she’s got a mental problem,” he said.

Jefforson County Sheriff’s Office spokesman Mike Taplin said the threats she made were general and not specific to any school.

“We understand that this is a frustrating situation, and we don’t have all the answers yet,” Stan Hilkey, executive director of Colorado’s Department of Public Safety, said at a news conference Tuesday evening.

The Denver, Douglas County and Cherry Creek school districts called off Wednesday classes, activities and athletics at all schools late Tuesday night, citing "safety concerns related to a credible threat against schools in the area."

The Jefferson County School District, which includes Columbine, canceled classes as well.

Wednesday’s closures affected about 500,000 students and their families in a broad swath of Colorado’s Front Range, centered on Denver but stretching north to the Wyoming border and south nearly to Colorado Springs, about an hour in each direction.

Authorities released several photos of Pais, who had brown hair and sometimes wore glasses. Security concerns prompted dozens of schools to increase police presence or cancel after-school activities.

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Many schools released students for the day at the normal time but asked parents to show ID when picking them up.

April 20 is an emotional date for many Denver-area parents and students because it's the anniversary of the Columbine shooting in which two students killed 12 of their classmates and a coach before killing themselves. There's typically an uptick in threats made to schools around that date every year.

"All students and staff are safe. Students will be released from schools normally; buses will be running on normal schedule," the Jefferson County School District, which is home to Columbine, announced. "We will have extra safety and security staff on site at all schools affected."

Contributing: The Associated Press