In February 2008, Ali Yassin Mohamed, along with Omar Ali and Abdulkadir Okashe Ali, was arrested in Sweden suspected of financing the Somali Islamist insurgency group Al-Shabaab.[1] Abdulkadir Okashe Ali was released after three days while Ali Yassin Mohamed and Omar Ali were detained in custody pending trial.[1] On 11 June 2008, they were released from custody and on 12 September the same year the preliminary investigation was closed.[1]
In January 2009, Ali Yassin Mohamed travelled to Somalia, where he participated in the founding of the Hizbul Islam organization.[1]
The Treasury of the United Kingdom put him among the targets for asset freeze on 28 April 2010.[2]
