In 2014, the al-Nusra Front released a video depicting the execution of the Lebanese captive serviceman Mohammad Hamieh with a bullet to the head.
In November 2015, The Lebanese Armed Forces arrested Ali Ahmad Laqis at Beirut's international airport as he was trying to flee the country, using a fake Syrian passport.
Laqis, who is the suspected killer of LAF martyr Mohammad Hamieh, is affiliated with al-Nusra Front.
This as the investigations disclosed that he is an expert in manufacturing explosives and has links with Abou Malek al-Talli, the so-called emir of al-Nusra in Qalamoun.