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Comedian Bill Cosby, pictured Dec. 30, 2015 to the Court House in Elkins Park, Pennsylvania, was charged with three counts of aggravated assault over an incident that took place in 2004 with accuser Andrea Constand. Getty Images

In what may be viewed as a victory for the defense, Judge Steven T. O'Neill declared a mistrial Saturday in the Bill Cosby sexual assault trial as jurors in Norristown, Pennsylvania, had been deadlocked since Monday. The famed comedian's defense had supported a mistrial but Montgomery County District Attorney Kevin R. Steel quickly announced that he will retry the case.

The 79-year-old had pleaded not guilty to three counts of aggravated indecent assault.

Though dozens of women accused Cosby of sexual assault, the trial only involved Andrea Constand, the former director of operations for Temple University's women's basketball team, who accused Cosby of drugging her in 2004.

Read: A Look Into Camille Cosby's Life

After 52 hours of deliberating, jurors failed to come to a unanimous decision beyond a reasonable doubt -- a requirement for criminal cases.

“Reasonable doubt is a standard of proof used in criminal trials. When a criminal defendant is prosecuted, the prosecutor must prove the defendant's guilt Beyond a Reasonable Doubt,” the free legal dictionary writes. “A preponderance of the evidence simply means that one side has more evidence in its favor than the other, even by the smallest degree.”

The jury said they were in a deadlock Thursday, but Judge O’Neill asked them to reconsider and come to a unanimous decision. “I'm going to allow this to go as long as this jury wishes to continue to deliberate,” Judge O'Neill said Friday.

There were 12 people on the jury. Six white men, four white women, one black man and one black woman.

Aside from seeking clarity on “reasonable doubt,” jurors also wanted a review of Cosby’s deposition in which he talked about obtaining quaaludes, a sedative that is no longer sold.

During her testimony, Constand claimed the comedian, affectionately known as “America’s Dad” for his years on the sitcom "The Cosby Show," gave her three blue pills. He claimed they would help her relax, saying they were herbal.

“Put them down, they're your friends. They'll take the edge off,” Cosby told Constand, according to her testimony. “I said ‘I trust you.’ I took the pills and I swallowed the pills down.”

READ: Bill Cosby Pushes For Mistrial As Jury

Soon, Constand felt dizzy and started to slur her words. When she felt “frozen,” Cosby placed her on the couch and sexually assaulted her without Constand’s consent.

“I felt really humiliated and I was really confused,” she said about waking up the next morning on Cosby’s coach, her clothes a mess. “I just wanted to go home.”

In the deposition, Cosby claimed the pills he gave Constand were the allergy medication Benadryl. Last year, however, Cosby admitted he obtained seven prescriptions for quaaludes to administer to women he wanted to have sex with.

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