Reposted by Kayleen Devlin
THREAD - How we know the commander-in-chief of the Syrian militant group Tahrir al-Sham (HTS) was in Aleppo today.
1/ This is a grab of a video posted on Telegram at 1323 GMT today, claiming the man highlighted in red is Abu Mohammad al-Julani, head of HTS.
Let's go through the where, when, who.
