Matthew Van Houten

Gillio Lopes, one of the fraternity brothers accused of drugging and raping a fellow Cornell student, is trying to clear his name ... with his lawyer denying all the allegations against him. His attorney, Tara J. Davis, tells TMZ ... "Cornell previously investigated this matter and developed an…

Sen. Elissa Slotkin, a Cornell alum, says her alma mater needs to "step up" in the alleged gang rape case ... and stop treating accountability like an afterthought ... because they've so far failed to protect women. Jacob caught up with the senator from Michigan on Capitol Hill Wednesday ... and…