On Wednesday, Pennsylvania Supreme Court declared that the 83-year-old actor "must be discharged, and any future prosecution on these particular charges must be barred."

The state's highest court overturned the disgraced television icon's sexual assault conviction for two main reasons.

"America's Dad" was arrested and charged in late 2015 – days before the 12-year statute of limitations was set to expire – with drugging and raping Andrea Constand, a Temple University employee, at his Elkins Park estate in 2004.

He was convicted on three counts of aggravated indecent assault in 2018 and has served more than two years of the three- to 10-year sentence at a state prison near Philadelphia.

So what changed?

In 2005, after investigating Constand's claims, state prosecutors decided not to charge Cosby, citing issues with her credibility as one of the reasons.

The district attorney at the time then cut a deal with Cosby, saying that if he went through with depositions in his separate civil lawsuits, he would not face trial criminally. So the comedian did just that.

A decade later, a new prosecutor decided to reopen the case using Cosby's testimony in those very depositions.

Additionally, during the trial, the judge allowed prosecutors to call five other accusers with stories similar to Constand's to testify against the actor to show that he had an M.O. for drugging and sexually assaulting women.

Pennsylvania Supreme Court has now