This is a massive true crime website that contains information on real-life serial killers, mass murderers, infamous murders, fetishes, horror movies and more.

They also have a ridiculous amount of merchandise including: books, DVDs, posters, calendars, home decor and even trading cards! If you want to truly creep yourself out the Halloween, visit this site. Not for the faint of heart! (via serialkillercalendars.com)