Complex sentence: Numerous violent plots related to the "Jyllands-Posten" cartoons were discovered, primarily targeting cartoonist Kurt Westergaard, editor Flemming Rose, and the property or employees of "Jyllands-Posten" and other newspapers that printed the cartoons.
Split into simpler sentences: Numerous violent plots related to the "Jyllands-Posten" cartoons were discovered. These primarily targeted cartoonist Kurt Westergaard, editor Flemming Rose, and the property or employees of "Jyllands-Posten" and other newspapers that printed the cartoons.