This is the son of Karl Marx, the guy who founded Keichu-Do. I corresponded with him during my investigation into KD and Marx, and found him to be a fairly nice guy.

He made the news in Waco for helping youths in jail.

Say what you will about combining religion and MA, but he's doing a pretty awesome thing in focusing on helping out troubled kids.

Something worth noting in the article though - apparently a pro football player is learning from him:

One will be a football camp headed by Dallas Cowboy Kevin Burnett. Marx trains him in martial arts, he said, and the NFL player has agreed to come here this summer for the camp