27 Slasher Movies For a Very Bloody Movie Marathon

Kevin Williamson deserves major props for making slasher films must-see movies again in the '90s. Not only is he responsible for "Scream," but he also penned the screenplay for "I Know What You Did Last Summer," a revenge-driven tale with a hook-wielding killer and a flawless cast that includes Sarah Michelle Gellar and Freddie Prinze Jr.