Jurors got the case late Monday afternoon.
McMonagle, a prominent Philadelphia defense attorney, accused Constand of telling "a stone-cold lie". McMonagle said that while the comedian had been unfaithful to his wife, he didn't commit a crime. The jury also heard Cosby's version in the form of his police statement and his lurid deposition in her 2005 lawsuit.
"Drugging somebody and putting them in a position where you can do what you want with them is not romantic", he added.
District attorney Kevin Steele, who re-opened the case in 2015 saying new evidence had come to light, dismissed the idea that Constand's sexual encounter with Cosby had been consensual.
He said Constand was always clear on the key facts: Cosby gave her unidentified pills he suggested were herbal, and then sexually abused her. Prosecutors also called a second accuser, Kelly Johnson, who told jurors that Cosby sexually assaulted her in a similar manner in 1996.
On Tuesday, the jury reviewed more than a dozen passages from a deposition Cosby gave last decade, listening to excerpts on a wide range of topics, from Cosby's first meeting with Andrea Constand to the night in 2004 she says he drugged and violated her.
That meant the prosecution rested its case on Friday, just five days after the trial began.
He is charged with three counts of aggravated indecent assault, each one punishable by up to 10 years behind bars.
The case has sparked debate over celebrity, race, power and gender. They complained that prosecutors were improperly striking blacks from the jury chosen in Pittsburgh.
Andrea Constand watched from the front row of the packed courtroom gallery on Monday as Cosby's lawyers spent almost two hours seizing on inconsistencies in her story in a final push for acquittal.
She woke up on the couch with her clothes disheveled, she said.
So how long could a guilty verdict see Cosby behind bars? He also pointed out that Constand spoke by phone with Cosby numerous times after the alleged assault. He has said the sexual encounter with Constand was consensual.
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The extramarital affair was an example of a flaw in Cosby's character, and not criminal behavior, McMonagle said. She was stoic during the defense argument but left when it was the prosecution's turn.
The jury, sequestered for the duration of the trial and unaware of the back-and-forth outside, reviewed the testimony of the police officer who took Constand's initial report.
"When you dance outside of marriage you gotta pay the band", McMonagle said.
"Your friends", Cosby said he told her.
Cosby lawyer Brian McMonagle told jurors Constand's story evolved and details changed over three interviews she gave to police after coming forward about a year after she says he assaulted her.
As they pored over Cosby's words, the jurors appeared to struggle with some language in one of the charges against him: "without her knowledge". Initially, the Cosby trial was expected to stretch out to two full weeks, but it has proceeded much faster than expected.
Cosby said before the trial that he did not plan to testify because of what could happen on cross-examination.
Meanwhile, the veteran performer could charm jurors at his sexual assault trial if he testifies this week, but experts say the risk would be considerable.
"This is not a civil case about money, money, money". "We're talking about all of a man's tomorrows".
She sat in the front row, across the aisle from Ms Constand, who did not react to Mr McMonagle's two-hour closing, but smiled at the end of it.
McMonagle, in his closing argument, tried to sow doubt about Constand's story.
The fate of famed entertainer Bill Cosby is in the hands of the jury on charges that he sexually assaulted a woman in his Cheltenham home. Prosecutors and police detectives read aloud portions of Cosby's statements to police in 2005 and in a civil deposition in 2006. She testified the pills left her semi-conscious and unable to tell Cosby to stop. "He's an actor and he's a very good actor", said Duquesne University School of Law professor Wes Oliver. Constand said she had to return calls from the Temple University trustee because he was an important booster and she worked for the women's basketball team.