In Alwan’s case, investigators said the unsigned op-ed in the Columbia Spectator, which also urged the school to curtail academic ties to Israel, may have subjected other students to “unwelcome conduct” based on their religion, national origin or military service.

The university, the administration’s first big target in a campaign to root out what it called harassment on campus, could lose more than $50 million in funding.

Columbia University has become the first target in President Donald Trump’s campaign to cut federal money to colleges accused of tolerating antisemitism amid the Israel-Hamas war