there was evidence that the boat's lights were off when the crash occurred. >> there was no bow lights activated. the switch was not activated. the anchor light was not in its stanchion hole and it was plugged with a rubber plug. it was quite obvious that the boat that got hit was not lit that evening. >> there were numerous chop marks along the top side of the boat that actually cut through the upholstery. analysts realized these were from a spinning propeller, proof that the boat actually left the water and flew over the top of harry's boat. >> the suspect vessel as it was traveling at a high rate of speed, tends to lift out of the water and be a little higher. on impact, it would launch the front of the suspect vessel in a 40-degree angle up into the air. >> medical experts believe that the wounds to nasreen raza were also caused by the propeller.