The prosecution presented a series of witnesses (Denise Brown, Candace Garvey, Cynthia Shahian) to establish a pattern of domestic violence, financial control, and escalating menace by OJ Simpson toward Nicole Brown, with particular emphasis on his frightening demeanor at their daughter's school recital on June 12, 1994—hours before the murders. The defense aggressively challenged prosecution witnesses through cross-examination, successfully establishing credibility issues including intoxication during prior incidents, refreshed recollections from years later, and video evidence contradicting portrayals of Simpson's demeanor. Multiple heated sidebars erupted over evidence admissibility, with the judge sustaining objections to photographs and witness statements. The day crystallized competing narratives: prosecution building an emotional case of escalating abuse and control, defense emphasizing witness reliability and contradictory video evidence.

• Denise Brown testified about domestic violence incidents from the 1980s, including OJ throwing Nicole against a wall and expelling the family from his Rockingham home.
• Multiple witnesses described OJ Simpson appearing 'simmering,' vacant, and menacing at Sydney's school recital on June 12, 1994—hours before the murders.
• Defense cross-examination established that Denise Brown was heavily intoxicated during incidents she described, and her memory was refreshed only after the murders by another witness.
• Judge Ito struck a Polaroid photograph showing Nicole with injuries due to lack of foundation regarding when it was taken, sustaining defense objections.
• Candace Garvey's testimony about OJ's angry demeanor was undermined when Cochran played video evidence showing Simpson smiling, embracing his son, and socializing warmly at the same recital.
• Cynthia Shahian testified about a June 6, 1994 letter from OJ threatening to remove Nicole and the children from the house, which devastated Nicole.
• Multiple sustained hearsay objections prevented Nicole Brown's emotional reactions and statements from reaching the jury.
• Shapiro and Cochran systematically challenged the credibility of domestic violence witnesses through intoxication, refreshed memories, and inconsistencies with prior statements.
• Judge Ito repeatedly warned prosecutor Darden that he was exceeding the scope of approved domestic violence incidents.
• End-of-day housekeeping addressed witness logistics, crime scene jury view preparation, and prosecution's planned use of telestrator device for exhibits.