Edit: yes. https://www.law.cornell.edu/uscode/text/18/373

"Whoever, with intent that another person engage in conduct constituting a felony that has as an element the use, attempted use, or threatened use of physical force against property or against the person of another in violation of the laws of the United States, and under circumstances strongly corroborative of that intent, solicits, commands, induces, or otherwise endeavors to persuade such other person to engage in such conduct"

I think he should be investigated for that claim, but that headline reads like he was telling people to go commit a crime.

Edit 2: Recommended reading. https://www.amazon.com/How-Judges-Think-Pims-Immigration/dp/...