Story highlights Donald Trump praised a 9/11 truther radio host's "amazing" reputation Wednesday

Trump appeared on Alex Jones' radio show, saying his appearance was arranged by Roger Stone

Washington (CNN) Donald Trump is heaping praise on a radio host who has asserted that the U.S. government was involved in the Oklahoma City bombing and the September 11 terrorist attacks.

"Your reputation is amazing. I will not let you down," Trump told Alex Jones during a Wednesday afternoon appearance on the Infowars.com proprietor's show.

Jones shared the love, telling Trump that "my audience, 90% of them, they support you."

Jones, who has advanced a number of conspiracy theories, gained prominence as a 9/11 "truther."

He has previously asserted on his radio show that there is a "98% chance this was a government-orchestrated controlled bombing.