And not just a serial killer, but one who makes most bad guys look like sane underachievers. We were talking about it in the timeless thread because this dude was the subject of this week's show but I thought it others might be interested - first link is the movie update, second is the serial killer's backstory. Definitely Story spoilers there but this will be something to behold I would guess.
http://screenrant.com/scorsese-devil-white-city-dicaprio-script-update/
http://www.the-line-up.com/dr-hh-holmes-murder-castle/
http://screenrant.com/scorsese-devil-white-city-dicaprio-script-update/
http://www.the-line-up.com/dr-hh-holmes-murder-castle/