[Jur]

True. I think extreme circumstances might also lead to extreme motivation (obsession) and possibly achievements, skill or knowledge. Whether self-inflicted or caused by surroundings.

This case clearly the iceman is at the center of it all and the article was a tough read to me. With the grinding downwards spiral so clearly summed up in all the events I'm sure the interviewed people are now seeing all the red flags in hindsight.