>> i observed one distinct set of blood a shoe prints between both victims. both victims were killed in a similar management manner. slashing and stabbing wounds. both victims had their throats slashed. >> martha: that was tommy laing telling the court room what he saw as the lead detective in the heinous murder scene of nicole brown and ron goldman. a decade old robbery, but 22 years ago, o.j. simpson's defense team took what many saw as a cut and drive murder case and turned it into an an indictment of race relations in america. on trial essentially, the lead detective in o.j.'s murder investigation. he wrote of book about the