Muhammed Abdullahi Hassan a.k.a. Mujahid Miski, Tweet, September 11, 2014

On 9/11 commemorations: “God willing you’ll have more of them to remember soon.” (Tweet)James Gordon Meek, “As US Remembers, Jihadis Trade 9/11 Jabs Online,” ABC News, September 11, 2014, http://abcnews.go.com/blogs/headlines/2014/09/as-us-mourns-jihadis-trade-911-jabs-online/.