Paul Kessler receives aid after falling and suffering a head injury during a Thousand Oaks protest over the Israel-Hamas war on Nov. 5. Loay Abdelfattah Alnaji, 50, of Moorpark was arrested early Thursday at his Moorpark home in the death of Paul Kessler, the Ventura County Sheriff’s Department announced in a news release. “Our heartfelt condolences continue to be with …