Excerpts and allow me to cut to the chase, ISIS saw they could use this guy's "English-speaking abilities" and apparently he is the voice in some of the English-language ISIS videos and it seems they are able to say the voice of this Canadian Jihadist is the English-speaker in some gruesome videos but read on, it says some think he participated in the heinous and horrific killing.
No regret: Captured ISIS fighter wants to come home — but not if he will be judged by Canadian law | CBC News
Nazim Baksh, Joana Draghici
Before he was captured by Syrian Kurdish forces in February, Canadian Mohammed Khalifa went from being a cog in the ranks of ISIS to its English language voice.
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His Arabic and English language skills caught the attention of ISIS commanders and he was recruited to the group's media department headquartered in the city of Raqqa.
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At FBI headquarters in Washington, D.C., an alert was issued asking the public to call in any tips, however small, that would lead to unveiling the identity of the voice.
Read more at: https://www.cbc.ca/news/canada/canadian-isis-fighters-return-home-1.5297142
It sounds like they did a documentary on this and the show is "Fifth Estate", lock him up and yes, he deserves the same fate of those many victims of ISIS. Photos at link.
I'm not posting photos, it's a fascinating article, you can see them for oneself, no gore. Also, they speak with a terrorism expert who has interviewed at least 50 ISIS soldiers.