Original sentence: On Halloween the Knot-Tops, led by Derf, assaults Hollis in retaliation for the release of Rorschach, which was caused by Nite Owl II (Daniel Dreiberg) and Silk Spectre II (Laurie Juspeczyk); Derf hits Hollis on the head with Hollis's Nite Owl trophy, killing the former superhero (this event is only depicted in the director's cut version of the film)
Edited sentence: On Halloween the Knot-Tops, led by Derf, assault Hollis in retaliation for the release of Rorschach, which was caused by Nite Owl II (Daniel Dreiberg) and Silk Spectre II (Laurie Juspeczyk); Derf hits Hollis on the head with Hollis's Nite Owl trophy, killing the former superhero (this event is only depicted in the director's cut version of the film)