Former Rep. David Jolly (R-Fla.) on Friday slammed GOP lawmakers for their behavior during a public hearing with FBI agent Peter Strzok, saying "it was a humiliating day to be a Republican."

“They behaved like children,” Jolly said on MSNBC. “This was not about getting answers from Strzok."

Jolly, a frequent critic of President Trump Donald John TrumpBiden on Trump's refusal to commit to peaceful transfer of power: 'What country are we in?' Romney: 'Unthinkable and unacceptable' to not commit to peaceful transition of power Two Louisville police officers shot amid Breonna Taylor grand jury protests MORE and the GOP since leaving office in 2017, made the comments a day after the House Judiciary and Oversight and Government Reform committees held a joint hearing in which Republican members grilled Strzok for about 10 hours.

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Several GOP lawmakers questioned Strzok about text messages he exchanged with now-former FBI lawyer Lisa Page that revealed their dislike of Trump during the 2016 campaign.

The hearing quickly devolved into shouting matches between Democratic and Republican lawmakers. At one point, Rep. Louie Gohmert (R-Texas) asked Strzok how many times he looked "innocently into [his] wife's eyes" as he carried out an extramarital affair with Page.

“You need your medication,” Rep. Bonnie Watson Coleman (D-N.J.) shouted at Gohmert after his remarks.

Strzok later replied that he has "always told the truth."

Jolly added that the behavior exhibited on Thursday "has been part of the incremental strategy of both Trump" and "those in Congress who go along with him, to undermine the integrity of the investigation."

Strzok's hearing came about a month after Justice Department Inspector General Michael Horowitz issued a report assessing the FBI's handling of its investigation into Hillary Clinton Hillary Diane Rodham ClintonDemocratic groups using Bloomberg money to launch M in Spanish language ads in Florida The Hill's Campaign Report: Presidential polls tighten weeks out from Election Day More than 50 Latino faith leaders endorse Biden MORE's use of a private email server.

The report found no evidence of political bias by Strzok, Page or former FBI Director James Comey James Brien ComeyDemocrats fear Russia interference could spoil bid to retake Senate Book: FBI sex crimes investigator helped trigger October 2016 public probe of Clinton emails Trump jabs at FBI director over testimony on Russia, antifa MORE.