Rafael Cruz, the father of Ted Cruz and a close adviser to the Texas senator, told the radio show “Faith & Liberty” on Tuesday that President Obama is committed to emulating Joseph Stalin and Mao Zedong in seizing firearms in order to use them against the American people.

Cruz, who regularly preaches Christian Nationalist pseudo-history, said that Obama has a “worldview based upon a totalitarian view of government being all powerful,” and is bent on “destroying the exceptionalism of America” by ratifying the Law of the Seas Treaty.

After host Dave Garrison asked if “President Obama wants to take our guns as part of this worldview,” Cruz responded: “Well, of course, you have got to realize that is all about control. You look at history, Stalin took out the guns, then killed twenty million people; Mao took out the guns, then killed fifty million people. Every society where government has taken the guns away from the population, then they’ve used them against the population.”

He later said that Obama will “absolutely” be seen as the worst president ever in U.S. history.