as part of the plea deal, convicted killer roger kibbe, also known as the i-5 strangler, has agreed to tell forensic psychiatrist dr. park dietz the truth about his crimes. he continues to tell how he killed his first victim, 21-year-old lou ellen burleigh. >> she was complaining that the ropes were too tight. i pulled over, loosened them up, and kept on driving. where i was going, i had no clue. i could have went straight, right, left, wherever, to find a place. i went right back up the berryessa where i knew how to go, i knew how to get there, and that's where it happened. >> the land surrounding lake berryessa is rugged, unforgiving terrain. >> what do you do, put the van in park?