Might atom smashers destroy the world?

Factual Questions
1

My friend told me that there is a very very small chance that the experiements we are conducting in atom smashers just might create a particle that can go willy-nilly anhilliating matter bit by bit until the whole universe is destroyed. Is this true?

Are there any other freaky unlikely results?

2

Apparently not.

3

It’s utterly true. First rule of science: Anything a friend tells you is true. After all, a friend wouldn’t lie to you.

4

For completeness, there’s the technical report by the team commissioned by Brookhaven to assess the risks.