Nigeria, June 11 -- A week after the Sadiku-led Boko Haram faction killed and abducted more than 170 women and children from Woro in Kaiama, Kwara State, the terror group released a video on TikTok mocking the government and accusing it of "deceit and infidelity" for downplaying the number of kidnapped victims.

The 90-second video was shared on the Chinese-owned social media platform by a handler identified as Abu Muhammad Abba, a coinage that could be genuine but is more likely a pseudonym, as is common within jihadist circles.

Shortly after the clip went viral in February, both the video and the account disappeared from the platform, suggesting that the account may have been deactivated or the content removed. A recent check, however,...