The prosecution presented testimony from neighbors, police, and Nicole Brown's sister Denise Brown concerning OJ Simpson's conduct toward Nicole. Witnesses described his presence near her home in 1992, a tense 1993 domestic-dispute response, and Denise Brown's accounts of public possessiveness and physical violence. The day also saw contentious discovery disputes, including the prosecution's stated plan to conduct EDTA testing on the socks in response to blood-planting allegations.

• Sgt. Lerner testified about October 25, 1993 domestic violence call where Nicole appeared visibly shaken and OJ was agitated; defense revealed secret tape recording made by Sgt. Lally
• Neighbors Catherine Boe and Carl Colby testified that they saw OJ near Nicole's home late at night in April 1992; Colby said he called 911 before recognizing him
• Red Onion incident (1987-88): OJ grabbed Nicole's crotch in public bar, declaring 'This is where babies come from and this belongs to me'
• Rockingham incident: OJ threw Nicole against wall and ejected her from his home; Denise Brown's emotional testimony forced early adjournment
• Prosecution revealed EDTA testing plans for socks to refute Cochran's blood-planting allegations from opening statement
• Defense sought to send 184 physical evidence items to an independent New York lab without prosecution observers present; the prosecution vigorously objected