What is the fine-grained topic of the following text: The perpetrator of the New Zealand shootings “recently said that he and his actions were influenced by (US President Donald) Trump and what he has done were (inspired by) Trump's thoughts and policies,” Moqaddamfar said, addressing a scientific conference titled “Terrorism: A Common Worry, A Study on the Dimensions of the Terrorist Incident against Muslims in New Zealand” in Tehran on Monday. Only return the topic.
Influence of Donald Trump's policies on the New Zealand shootings perpetrator