They arrived at the scene of Kobe Bryant’s accident and a chain reaction began that led to a macabre court case

Instead, the events that followed set off a chain reaction that brought Johnson to a witness stand in federal court on Friday, testifying in a civil lawsuit that claims Los Angeles County and some of its employees violated the privacy and they inflicted emotional distress on Vanessa Bryant, the widow of one of the region’s most beloved sports stars. Her husband, basketball star Kobe Bryant, and her daughter Gianna were among the nine killed in the crash.