The following is a cut and paste from the Las Vegas Review Journal today. Previous to this report, there were a number of other thoughts by many as to the cause of death. It appears that Metro is 99% sure. I am not familiar with the knot or the release hitch in question but hope to learn about it. I "heard" that it was some kind of assembly that incorporates a bowline slip and prusik. I am attempting to find out more about the knot and hitch while maintaining dignity and respect for all concerned. Respectfully, Dick Shear, Las Vegas Internationally renowned mountain climber Randal Grandstaff fell to his death at Red Rock National Conservation Area on June 5 when a knot in his rope came undone, Las Vegas police said. "We're 99 percent sure that the knot was either tied incorrectly and came undone or that it was tied correctly but the release hitch was too short," and slipped through the knot, said Sgt. Clint Basset of the Metropolitan Police Department's search and rescue unit. "Either way, both are just mistakes of complacency." Grandstaff, 44, fell about 150 feet after he was five or six feet into a rappel from a rock face. He had lowered a tourist from the same rock shortly before the accident. Basset says there was no evidence of equipment failure and that the anchor bolted into the rock was in good repair. Investigators brought in climbing experts from around the country to help recreate the two scenarios. "That knot failed every time we tried it," Basset said. Basset says there is a slight chance that Grandstaff never tied the knot at all, but that the evidence shows the knot probably failed when the climber put his full weight onto the rope. "He was still holding the rope like he would in a rappel when he hit the ground," Basset said. The Clark County Coroner's Office ruled Grandstaff's death an accident, determining he died from multiple blunt force injuries as a result of the fall.