Virginia Hall is one of the most important American spies most people have never heard of.

Her story is on display at the CIA Museum inside the spy agency headquarters in Langley, Va. — but this is off limits to the public.

"She was the most highly decorated female civilian during World War II," said
Janelle Neises, the museum's deputy director, who's providing a tour.

Pennsylvania's soon-to-be official amphibian has more than its fair share of nicknames: snot otter, mud devil, Allegheny alligator, devil dog, lasagna lizard.

In short, it's not exactly a looker.

On April 20, 1999, as two students carried out the deadly shooting at Columbine High School, senior Heather Martin was barricaded in a choir office with 60 other students. It would be several hours before emergency responders found the room and were able to help the group get out.

"I only saw the aftermath," she said. "I didn't see anything as it was happening." But she was shocked to later find out that the perpetrators were two of her peers, including one she had grown up with.

In 2017, Susan learned that she carries a genetic mutation that may elevate her lifetime risk of developing breast cancer to 72 percent.