The case below isn't a prosecution, but a deportation of a Salvadoran slave. Forced to serve terrorists under threat of death = material support for terrorism. One of the experts consulted in the preparation of the article appears to have speculated that Yezidis would be treated similarly, but I can't find an actual example of that yet.

https://theintercept.com/2018/06/09/immigration-terrorism-pr...

So what you're saying is that you fabricated a horrific example that you can't back up with any information for to make your point?