The explosive ending of Law Abiding Citizen explained how Clyde was stopped from causing more problems, but it was also confusing for many viewers. The revenge movie genre rose sharply in popularity following the success of 1974’s Death Wish, and has continued all these years later. 2009’s Law Abiding Citizen is one of the more intriguing vigilante efforts and stars Gerard Butler and Jamie Foxx. The movie centers on Butler’s Clyde, who saw his wife and daughter being murdered in front of him, but after the system lets their killer off lightly, he swears epic revenge.
https://screenrant.com/law-abiding-citizen-movie-ending-explained/