It's a mistrial in the Bill Cosby sexual assault case

The 79-year-old Cosby pleaded not guilty in the case.

After six days of deliberation, totaling more than 50 hours, the 12 jurors in the Bill Cosby sexual assault case found themselves deadlocked.

And on Saturday morning, the judge officially declared it a mistrial.

"Do not in any way feel you have let the justice system down," Judge Steven O'Neill of Montgomery County Pennsylvania told the jurors, NBC News reports.

Jurors have to reach a unanimous decision on a verdict. They told the judge Saturday morning they were still deadlocked, according to NBC.

It's generally up to a judge's discretion when to declare a mistrial – just Friday he denied the defense's request to call a mistrial, and told jurors to keep working, Fox News reported.

The prosecution could opt to try Cosby again, and they've indicated that's something that will be pursued, NPR reports.

Dozens of women have accused the star comedian in recent years of drugging and/or sexually assaulting them, though in many cases the claims are decades old and beyond the statute of limitations. This specific trial involved only the allegations of Andrea Constand. Constand said Cosby drugged and molested her while she worked at Temple University's athletics department in 2004, the New York Times reported.

Cosby, 79 years old, was facing a combined 30 years in prison on the three criminal charges of aggravated indecent assault he faced, CNN explained. He pleaded not guilty.

He's also been tweeting from the courthouse a lot over the past 24 hours, taking photos and videos of supporters and thanking them.

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