Meanwhile, fellow Republican senator John Cornyn said the ex-president’s lawyer, Bruce Castor, “rambled on and on” in his speech, adding that he has seen “a lot of lawyers and a lot of arguments and that was not one of the finest I’ve seen”.
US commentators also piled on the legal team, with Fox News host Sean Hannity saying their speech got off on a “weak start”.
He told Texas senator Ted Cruz: “I’m not being critical, just a little lacklustre, meandering to me – needed a little more focus.”
Slate’s National Correspondent Will Saleton added: “Bruce Castor conducted a brilliant experiment to determine how many Republican senators would turn against Donald Trump based on an almost completely empty defense presentation.
“The answer is one.”
Elsewhere, one Twitter user responded saying they "had to laugh" at the defence's argument:
According to CNN’s Chief White House Correspondent Kaitlan Collins, the former president himself is also reported to have been unhappy with his team’s performance, with Trump “borderline screaming” over what was unfolding in the Senate.
Kaitlan Collins: "Trump was not happy with [Bruce Castor's] performance. He was borderline screaming over what was… https://t.co/M2Nia5Y3Lx