This is a powerful scene from the movie Rampage by Uwe Boll. Some have called this an important movie. It is not easy to watch although some of us will get a pleasant cathartic effect from it.
Rampage is a 2009 mass murder thriller film directed by Uwe Boll and starring Brendan Fletcher, Michael Paré, Shaun Sipos and Lynda Boyd. Rampage received a theatrical release in Germany, though was released direct-to-video in the rest of the world. It was Boll’s first film to gain mainly positive reviews. A sequel, titled Rampage: Capital Punishment, was released on August 19, 2014.