The NYPD is currently investigating a criminal complaint filed against Bryan Singer, alleging the director of the X-Men franchise sexually assaulted a man in his 20s last year.

According to law enforcement sources, Singer allegedly engaged in a "criminal sexual act" with the unidentified victim in New York on March 23 of last year. The complaint was filed this past May, and though no charges have been filed against the director, the NYPD's Special Victims Unit has launched an investigation. They have not yet responded to our request for comment.

Singer has been the target of several sexual assault suits—most recently, in May, a suit filed against Singer and Broadway producer Gary Goddard alleged both men engaged in sexual activities with a then 15-year-old actor from the U.K. That actor voluntarily dismissed the suit last month. And in April, a man named Michael Egan accused Singer of drugging and raping him him multiple times when he was 17 years old; Egan too has voluntarily dismissed the suit, claiming he can't find an attorney to represent him.

Singer has denied all the allegations. His attorney told Buzzfeed, "Neither my client nor any of his representatives have been contacted by the NYPD, or anyone else about an alleged criminal investigation of my client. My client did not engage in any criminal or inappropriate behavior with anyone in New York or elsewhere."