Hmmm ~ could be this was a pre-emptive public service sort of thing? Just another ol’geezer doing something American gub’mnt won’t do?
He was litigious:
Another area lawyer, David Panzarella, dealt with Harmon in a 2008 case. Harmon was litigious and had been involved in nearly a dozen prior civil suits, he told Fox 10 News.
“He represented himself and he was a particularly unpleasant man, not only lawyers and staff in our office will remember his name for years,” said Panzarella. “When his name came up today we certainly recognized it.”
http://www.abajournal.com/news/article/dead_suspect_in_fatal_shooting_of_mediation_opponents_was_litigious_had_ang/