Ryan Wesley Routh, the man named as the suspect in a possible assassination attempt at Donald Trump's Florida golf club, urged Iran to kill the former president in a book he self-published last year.
In 'Ukraine's Unwinnable War,' he said he had made a terrible mistake in once voting for Trump, whom he described as a 'buffoon.'
'I must take part of the blame for the retarded child we elected for our next president that ended up being brainless, but I am man enough to say that I misjudged and made a terrible mistake and Iran I apologize,' he said, after berating the former president for abandoning the nuclear deal with Tehran.
'You are free to assassinate Trump as well as me for that error in judgment and the dismantling of the deal.
The e-book is still available on Amazon for $2.99.
It offers a look inside the mind of a man committed to finding peace in the world, but with a naive understanding of geopolitics.
His solutions to long-running global conflicts include building a wall around the Afghan capital Kabul and allowing himself to be kidnapped by the North Korean regime.
Routh, 58, was arrested Sunday afternoon.