Huh, interesting. Search with Grok seems to concur. While they did commit many atrocities against women and children, the ripping from belly events failed journalistic verification.
Insane brutality has happened on both sides. However the statistical numbers are different, before oct 7 and after, one side has been much more successful in its brutalization of the other.
This is insane brutality. A cursory search, I don't want to do more than that, tells me it's a misattribution of an older Mexican cartel murder.