Prosecutors have asked the U.S. Supreme Court to review the ruling that overturned comedian Bill Cosby’s sexual assault conviction, arguing in a petition Monday that a decision not to prosecute announced in a media release does not give a defendant lifetime immunity.

Prosecutors said the ruling could set a dangerous precedent if convictions are overturned over dubious closed-door deals. 

Cosby, 84, became the first celebrity convicted of sexual assault in the MeToo era when the jury at his 2018 retrial found him guilty of drugging and molesting Andrea Constand, a Canadian women’s basketball administrator, in January 2004. He spent nearly three years in