Long story, but the condensed version is that he accused Jim Robinson of being in league with the devil, since Jim didn't cast the godless evolutionists out of the temple.
As Dave Barry says, "I am not making this up".
The meltdown began long ago, but came to a head here, and in subsequent posts in that thread such as this, this and this, among many others.
The final crash-and-burn was on this thread, mostly around posts 250-500. (Important context: Poster "Dales" is one of JimRob's forum moderators, and he originated that thread in order to see how it unfolded.)