know you will never have any more memories and all the happy time are gone forever. so that's what it's like to lose your child. >> the medical examiner determined that pam had been killed on the night she disappeared. pam's byron had an alibi and it was corroborated by others and he was not considered a suspect. police got a tip from a potential eyewitness. he thought he saw pam slumped forward in a white pickup truck on the night she went missing just a file from where the body was discovered. >> this was a very desolate piece of interstate and very dark. not many vehicles at all would get off here. they need to know where her body was found. >> they described the driver as a young white male. >> police began to look for a white male in a white truck. >> unfortunately there were