Complex sentence: In 2011 after Anders Behring Breivik killed 77 people in Norway, the media said that he cited Spencer's writings 64 times and at length in his anti-Muslim manifesto, and he wrote that he was inspired by Geller.
Split into simpler sentences: In 2011 after Anders Behring Breivik killed 77 people in Norway. He cited Spencer's writings 64 times and at length in his anti-Muslim manifesto, and he wrote that he was inspired by Geller.