Anderson Cooper was momentarily stunned speechless when a top GOP strategist insisted he had never heard President Donald Trump tell a lie.

The presidents never lied to me and I dont think the presidents lied to the American people , former Trump campaign strategist David Urban said on CNN s Anderson Cooper 360 Wednesday. I think the president is prone to hyperbole, yes, absolutely. Do I think hes purposefully misleading the American people? No, I dont.

Cooper simply stared into the camera for seconds before responding: Wow. Wow. Okay. I am not sure I believe ... thats what you really believe ... Factually, he has said things which are not true, and which he obviously knows are not true.

Urban stuck to his story even when Cooper pointed out findings by The Washington Post earlier this week that Trump has lied or misconstrued facts more than 3,000 times in 466 days 6.5 false claims a day. Cooper added: Youre saying youve never heard the president say something which is demonstrably false and he knew was false?

Urban laughed: Youre asking me my opinion.

Trump acknowledged Thursday that he had reimbursed his personal attorney Michael Cohen for a $130,000 payment to adult film star Stormy Daniels after insisting he knew nothing about it.

Check out the clip above.