Dahmer

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CHARLOTTE, NC - OCTOBER 02: People ride a zipline over the course before the 2009 Charlotte Open at the US National Whitewater Center on October 2, 2009 in Charlotte, North Carolina. (Photo by Streeter Lecka/Getty Images)

A Canadian guy named Spencer Seabrooke tried to set a new world record by walking 210 feet across a slackline suspended 915 feet off the ground in British Columbia. And right after he started, he almost DIED. He lost his balance and fell, but managed to grab the line with his hands. Then he pulled himself back up . . . walked the rest of the way across . . . and broke the record.