According to the Syrian Observatory for Human Rights (SOHR), the jihadist group, Hay’at Tahrir al-Sham, formerly al-Nusra, before that it was called something else
...al-Qaeda's Syrian affiliate, from which sprang the Islamic State...(HTS), carried out the execution a Syrian man by firing squad inside the town of Janudiah, which is in the Jisr al-Shughour countryside.
The monitor said the man was arrested by HTS on May 13th, 2019, after he was allegedly caught providing voice notes to the Syrian Arab Army (SAA) in the Kabani area of northeastern Latakia.