Picture 1: On the Elon Musk disinformation site, the "news medium" Visegrad 24 tells their one million followers that authorities believe, the Moscow terrorist attack was carried out by Ingushetian terrorists.
Picture 2-3: The photos used are from news stories from early marts about a number of terrorists who had been killed.
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@randahl
This info first appeared in ВЧК-ОГПУ Russian Telegram channel allegedly having ties with Russian "siloviki"/law enforcement. So Visegrád only reposted others' misinfo, not made it up.
Visegrád 24 itself is a rather shady source of information though, it's still unclear to me whom it belongs to.
@m0xee it is owned by Polish journalist Adam Starzynski and advertiser Stefan Thompson.