In 2013 , Abu Layla led a small unit in the Kurdish Front Brigade .
In 2013 , Abu Layla took part in assassination operations against the Islamic State of Iraq and the Levant in Manbij and Jarabulus .
In 2013 , Abu Layla led a small unit in the Kurdish Front Brigade and took part in assassination operations against the Islamic State of Iraq and the Levant in Manbij and Jarabulus .