This is the problem with cyber security: Even if you're the most knowledgeable organization on earth you still fuck it up. Any one person can fuck up any one thing and if it isn't part of your predetermined threat vector analysis then it gets through and you lose everything.
The guy took steps to hide his identity then reported it to the CIA. They emailed back with a job offer. Back then we assumed it was trap to get him to travel to the USA from Canada, but these days, based on what I've seen, I think it was legitimate.
Sometimes I like to let thoughts simmer:
In 2001 a shitty high school hacker had a reasonably credible offer from the CIA.