Michael Gold and Grace Ashford

Nearly half of the G.O.P. House delegation voted to expel Mr. Santos, a remarkable rebuke of a colleague who had survived two prior expulsion bids.

The House debate on Thursday boiled down to a central question: Should Mr. Santos’s series of lies and alleged crimes outweigh historical precedence?

Mr. Santos, a first-term Republican congressman, was charged in a superseding indictment that added 10 new felony counts to the existing indictment.

The aide, Samuel Miele, impersonated Speaker Kevin McCarthy’s chief of staff in fund-raising appeals and was charged with wire fraud and identity theft.

Mr. Santos, a first-term G.O.P. congressman, has tried to keep the names of his bail sureties sealed, but two judges have now rejected his efforts.

Mr. Santos, a Republican House member from New York, has admitted to lying about parts of his biography and is facing several ethics and criminal...

The former roommate, who pleaded guilty in 2017 and was deported, sent an affidavit to federal authorities accusing Mr. Santos of running a card-skimming operation.

The House Ethics Committee unanimously voted to authorize an investigation into whether Mr. Santos broke various laws or engaged in sexual misconduct.

Mr. Santos ran a pet charity that he claimed saved 2,500 animals. But several people questioned the way he handled funds that were raised to...

The rejection by Republican leaders in Nassau County is the sharpest denunciation from Mr. Santos’s party, whose leaders in Washington have mostly stayed mum.