contacted me. >> with john thompson scheduled to be executed in less than a month, defense investigator elisa abolafia desperately searched for answers. >> i, of course, was a complete nervous wreck because john was facing an execution date, may 20th. so i began with the carjacking case. first, i read the police report. >> in 1985 john thomson was convicted of carjacking three teenagers at gunpoint. without that conviction, thompson would have been much less likely to get the death sentence for the murder. elisa found reports from the first officer to respond to the carjacking scene. warren pope. >> when we got there, two cars were involved in a traffic accident, and i noticed some spots of fresh, wet blood. one of the victim's shoes, there was also blood on one of his pants legs. he was uninjured so was his brother and sister. so we assumed that it was perpetrator's blood. >> police files confirmed the carjacker's blood had been