The prosecution completed its examination of Officer Riske and began Sergeant Rossi's testimony about notifications and the initial crime-scene response. Cochran and Bailey challenged scene preservation, officer movements, evidence handling, and efforts to contact O.J. Simpson, while Clark emphasized Riske's limited patrol role and used photographs to address movement of the glove and envelope after the bodies were removed. In a separate dispute over EDTA testing and evidence access, Judge Ito directed the parties toward compromise and demanded an accelerated FBI testing schedule.

• Cochran pressed Officer Riske about gaps in his knowledge and observations at Bundy: Riske did not know whether the Akita or its reported blood was examined, did not know whether officers looked inside the Jeep, did not see it dusted while he was present, and was unaware of interior photographs taken during that period. In a photograph, Riske identified Fuhrman and confirmed that the depicted shoe lacked a bootie and the hand was uncovered.
• Clark's redirect attempted to rehabilitate Riske by clarifying that patrol officers' role was limited to securing the scene and notifying detectives, not collecting evidence or directing photographers.
• Sergeant Rossi testified about his role as watch commander, describing the notification chain, scene perimeter verification, and his observations of the black glove and dark cap near the victims' bodies.
• Bailey's cross-examination challenged Rossi's reliance on Riske's assurance that the scene was secure, raised the possibility that officers walking the crime-scene path before detectives arrived could have destroyed unseen footprint evidence, and emphasized that no effort was made to contact O.J. Simpson until well after 4:00 a.m.
• A contentious motion hearing focused on evidence access and the prosecution's plan to conduct EDTA testing before releasing biological samples to the defense. Judge Ito ordered the defense to account for evidence items 47, 50, and 78 and directed the prosecution to accelerate FBI testing from February 27 to the end of the week.