World ISIS leader Abu Bakr al-Baghdadi purportedly appears in video for first time in five years April 29, 2019Deirdre Shesgreen, USA TODAYComments Off on ISIS leader Abu Bakr al-Baghdadi purportedly appears in video for first time in five years Baghdadi praised the Sri Lanka attackers and called those deadly bombings revenge for ISIS' defeat in Syria, according to the SITE Intelligence Group.