George Tyndall, a former University of Southern California campus gynecologist accused of sexually abusing multiple patients, was found dead at his Los Angeles home on Wednesday. He was 76.

Tyndalls defense attorney, Leonard Levine, confirmed the news to the Los Angeles Times . He said that a close friend found Tyndall unresponsive after hed failed to return her phone calls the day before.

Tyndall, who worked for the university for 27 years, was charged with the abuse of 16 women in 2019, following what the Los Angeles Police Department said was its largest investigation of sexual abuse by a single perpetrator.

Tyndall was set to go on trial next year for crimes that allegedly took place between 2009 and 2016. He was accused of inappropriately touching patients, making harassing remarks and taking photos without patient consent during gynecological exams at one of the campus health clinics.