I could be wrong, but I think the LA ICE riots...

...and those propagating and spreading from them - combined with the aggressive statements from the President of Mexico, other Mexican government officials and the actions of Mexican cartels along the border, combine to satisfy the "incursion" criteria in the Alien Enemies Act of 1798. - Michael Smith

The courts determined the criteria and I think an argument could be made that the illegal aliens committing violence and their US collaborators are clearly working in conjunction with a foreign power to overturn the government of the United States. 

• Some have even demanded conquest of large swaths of the Southwest and California.

And now the unrest is beginning to spread, just as the leaders of these "mostly peaceful" protests have directed....