On April 04, 2012, A Shumukh al-Islam member announced the death of Walid al-Boustani during a fight against the Syrian regime in Syria. The user "Abu al-Shahid al-Lubnani" declared that After fleeing Roumieh Prison, al-Boustani couldn't sit and watch his people in Syria getting killed. He joined the Mujahedeen in Syria to defend the honor of the Muslims. He added that al-boustani was the emir of a lebanese Mujahedeen group from the city of Tripoli who went to Syria.
It is to note that Walid al-Boustani was a Fateh al-Islam member who managed to escape from roumieh prison in lebanon on November 16, 2010.