In the decades since two gunman attacked Columbine High School, ushering in a new era in which mass shootings have become commonplace in America, the building has turned into a tourism magnet for those curious about the school's dark history. And fears have persisted that the site has provided inspiration for copycat killings.
Over the past few months, visitors hoping to glimpse the school have been coming in droves, hitting record levels, perhaps fueled by the shooting's 20th anniversary.
Is it is time to demolish the school?
It is a proposal now being explored by school officials, who say visits from so-called Columbiners obsessed with the school have been growing over the years, putting security personnel on high alert. Plus, officials say, experts recommend tearing down a structure after a massacre, as many sites since Columbine have done.
"In 1999, no guidance existed on what to do with a building such as Columbine High School," Jason Glass, the superintendent of Jefferson County Public Schools, wrote in an open letter called "A New Columbine?"