A little more than two years ago, sexual assault survivor and activist Brenda Tracy visited Michigan State’s campus and met Mel Tucker as part of her work educating athletes about sexual misconduct.

Now, a chain of events leading from that meeting has put Tucker’s future at Michigan State in question, as he faces an allegation that he sexually harassed Tracy, according to a report from USA Today.

Here’s a timeline of the key events in the case, as detailed in USA Today:

August 2021

Tucker and Tracy meet for the first time as she visits campus to deliver a speech to the Michigan State football team during its fall training camp for the 2022 season.

April 16, 2022

Tracy visits Michigan State’s campus for a second time and serves as honorary captain during the Spartans’ spring game after she and Tucker developed a friendship following her initial visit.

April 28, 2022

Tucker and Tracy hold a phone conversation during which Tracy later claims Tucker made sexually suggestive comments to her and masturbates. Tucker later characterized the conversation as consensual phone sex.

December 2022

Tracy files a complaint with Michigan State’s Title IX office alleging that Tucker sexually harassed her during the April phone call.

January 2023

Michigan State launches investigation into complaint led by Ann Arbor-based attorney Rebecca Leitman Veidlinger.

March 22, 2023

Tucker is interviewed by university investigators

July 2023

Michigan State completes its investigation into the complaint

Sept. 10, 2023

News of the investigation becomes public via USA Today hours after Michigan State’s Week 2 win over Richmond.

Oct. 5-6, 2023

Tucker is scheduled to face a hearing into whether he violated the school’s relationship violence and sexual misconduct policy.

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Michigan State coach Mel Tucker accused of sexually harassing rape survivor/activist: report