the century. >> a witness sdovrd the body of nicole brown simpson. >> reporter: 25 years ago o.j.'s wife and trend were killed in a knife attack. simpson would become the prime suspect. >> mr. simpson is a fugitive of justice right now. >> reporter: days after the murder, simpson drimpb drimpb by a friend led police on a chase broadcast around the world. the white bronco ride sparking reality television, some critic says. >> i think i just saw him heading north. >> reporter: the country riveted by a manhunt for a national sports hero. >> simpson, the passenger in the car, has a gun at his head. >> reporter: his criminal and civil trials full of unforgettable moments. >> not guilty. >> reporter: courtroom theatrics were constant. pop culture stars emerged including johnny cochran. >> if it doesn't fit, you must