Given the task definition and input, reply with output. In this task, you will be shown a passage. You need to write a fill-in-the-gap question based on your understanding of the events that might be inferred from the passage. Your question should be answerable based on the passage and only have one correct answer. Show the gap in your question with a _ .

Counter-terrorism police have searched a community centre and a man's home as part of the investigation into the killing of a Syrian imam found shot dead on a London street. Officers searched the An Noor community centre in west London last night after a businessman appeared in court charged with murdering Abdul Hadi Arwani, and another man was arrested over his death. They also visited the Wembley home of Burnell Mitchell, 61, who is a director at the community centre where Mr Arwani used to preach. Death: Leslie Cooper, left, has appeared in court charged with murdering iman Abdul Hadi Arwani, rightPolice search An Noor community centre in west London and Burnell Mitchell's home in WembleyMitchell, 61, is trustee of the community centre and director of company that owns itJamaican businessman Leslie Cooper, 36, appeared in court yesterday charged with murdering ArwaniA 61-year-old man has been arrested on suspicion of conspiracy to murder

Friends described the murder suspect as a polite and teetotal church-goer, who works as a builder and a carpenter as well as running a business selling _-themed clothing.