Big Brother visiting

Christine Otten and Antjie Krog had disorder literally hovering on their doorstep. They discovered that independently of each other they had written books with an almost identical scene, a police raid on their homes. Both raids took place on wrongful suspicions of terrorist or terrorism related practices in the 1990s. The affair in Otten's novel goes back to a terrorist action by RARA in the Netherlands; in Krog's nonfiction book it's about an ANC murder in South Africa. In "Big Brother Visiting", Wim Brands asks both writers to compare their books and place them in time. Is it coincidental that they both write on how the personal life of their characters, and thereby there own freedom, is violated? Is it a coincidence that they write about these matters after 9/11?