Cantor's office would not comment on the investigation, but said he fully cooperated the OCE report as a witness.

WSJ: Committee investigating NY, Illinois congressmen

The House committee announced its decision to continue looking into each case on Wednesday, while releasing OCE's report on both cases.

WSJ: Committee investigating NY, Illinois congressmen

"As our counsel's submissions to OCE and the Ethics Committee make clear, the complaint in this case is entirely without merit, " Dutton said.

WSJ: Committee investigating NY, Illinois congressmen