In a speech there, Mohammed al-Issa called Holocaust atrocities a “crime against humanity.
Cooper has been working closely with the famed Jewish composer-conductor’s three children for two years.
The NowThis website has removed the six-minute segment criticizing the executive order dealing with protecting Jews on campus.
Six other men were arrested last week for their involvement in the group.
The House speaker laid a wreath next to the Auschwitz death wall, the site of inmate executions.
He called the couple “F***|ing Jews!”
Trump met with the students while signing an executive order protecting prayer in public schools coinciding with National Religious Freedom Day.
An undercover FBI agent participated in shooting drills with the men, in preparation for the collapse of the United States and a race war.
The rally is scheduled for the Martin Luther King Day holiday on Monday to protest gun control measures proposed by the state legislature.
Signs threaten Donald Trump, Mike Pence and Mitt Romney, and also appear to attack Christians and say “Death to America.