House Intelligence Committee Chair Adam Schiff Adam Bennett SchiffSchiff claims DHS is blocking whistleblower's access to records before testimony GOP lawmakers distance themselves from Trump comments on transfer of power Rubio on peaceful transfer of power: 'We will have a legitimate & fair election' MORE (D-Calif.) said Sunday that he would support impeachment proceedings against President Trump Donald John TrumpSteele Dossier sub-source was subject of FBI counterintelligence probe Pelosi slams Trump executive order on pre-existing conditions: It 'isn't worth the paper it's signed on' Trump 'no longer angry' at Romney because of Supreme Court stance MORE if the White House defies a final court ruling requesting documents and testimony.

"We may get there- a third of our caucus is there- what would get me to that point is if we get to a final court decision compelling the administration to provide testimony and documents and they refuse, then I think we’re in a full-blown constitutional crisis,” Schiff said. “I may get there before that point… but at this point I’m not prepared to recommend it.”

Rep. Adam Schiff on the growing calls for the impeachment of President Trump: “At this point, I'm not prepared to recommend it” #CNNSOTU pic.twitter.com/pstWOlSmrS — CNN Politics (@CNNPolitics) June 23, 2019

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Schiff noted he currently does not support impeachment proceedings, echoing Speaker Nancy Pelosi Nancy PelosiPelosi slams Trump executive order on pre-existing conditions: It 'isn't worth the paper it's signed on' On The Money: Anxious Democrats push for vote on COVID-19 aid | Pelosi, Mnuchin ready to restart talks | Weekly jobless claims increase | Senate treads close to shutdown deadline Trump signs largely symbolic pre-existing conditions order amid lawsuit MORE (D-Calif.), who has consistently opposed impeachment proceedings and urged congressional Democrats to let various House investigations into Trump’s administration and businesses play out.

Support for impeaching Trump has grown among Democratic voters in recent months, with a poll last week indicating 67 percent support proceedings, up eight points from April, coming shortly after Trump told ABC News he would “maybe” call the FBI if offered damaging information from a foreign country on an opponent.

Last week, Rep. Katie Porter (D-Calif.) became the second Democrat in the House representing a swing district to come out in favor of impeachment. More than 60 House Democrats have endorsed impeachment proceedings thus far.

“It's been a slow increase but nonetheless an increase,” Schiff said last Tuesday. “Every member has to make an individual determination about what they think is right for the country.”