Musings on Jack the Ripper

I recently watched the movie From Hell, based on the graphic novel by Alan Moore (which I have, embarrassingly, not read. I know, I know). It was fascinating and disappointing in equal measures, though overall I'm pleased to say I liked it; it had a good pace, interesting characters, and an incredible sense of period and setting. What it did not have was consistency, either with itself or with established Ripper lore, and while the latter is unfortunate but forgivable, the former is...