After it confesses of the assassination of al- Fadli, who is the responsible for the other assassinations?

After it confesses of the assassination of al- Fadli, who is the responsible for the other assassinations of Jabhat al- Nusra members in Idlib?

Leading figures in Jabhat al- Nusra (al- Qaeda in Levant) were subject to assassinations and assassinations attempts in the last weeks, including some known commanders in al- Qaeda like Mehsen al- Fadli, where the Pentagon declared that he was killed in the airstrikes in July 8.  SOHR published in that time that US-led coalition warplanes carried out 5 raids targeting a car of a commander in Jabhat al- Nusra on the road linking the town of Sarmada with the village of Kafar Diryan in the northern countryside of Idlib and several headquarters of Jabhat al- Nusra in the northwest of Idlib that led to kill 7 members from Jabhat al- Nusra, including a commander. A Saudi leading figure in Jbhat al- Nusra was also subject to an assassination attempt by targeting his car in Jabal al- Zaweyi in July 18. In addition to, a Syrian jurist in Jbahat al- Nusra was assassinated by unknown gunmen in July 16. Meanwhile, a drone targeted members in Jabhat al- Nusra near the Regiment 46 around the town of al- Atareb town in the western countryside of Aleppo killing 3 members, including the two leading figures Abo Hamzah al- Faransi and Abo Qutadah al- Tunusi, information reported death of 3 others in the same attack. Other assassinations attempts took place in different areas in Idlib and the western countryside of Aleppo.