No, you're right. Zane Bonifay was slated for death, but we never saw it play out.
I loved Challenger
-- Carey's best stuff since the early days, I think. Shame it never went anywhere. Shucorion was badass.
"In my day, we took on Daleks, Cybermen, Autons, Zygons, and all manner of space thuggery, and it doesn't get more hostile than that."
Science's Less Accurate Grandmother