he had some gold teeth. >> ron shaw was a successful oil man. developed the concept of placing global positioning satellite chips in his drill bits which improved accuracy when drilling for oil. although the shaws were a wealthy couple, police weren't sure the motive was robbery. >> they left jewelry in the safe. they left an additional $5500 in the safe. cold coins that were valuable. he had $1,133 in his pocket, a rolex watch on his arm, and none of these were taken. >> and police found the box of jewelry several hundred yards behind the shaws' home. >> we had considered that the motive may have been a murder-for-hire, as opposed to a robbery. >> the question was who wanted ron shaw dead? [ female announcer ] you know the little song he'll hum as he gets dressed... you know the shirt he'll choose... the wine he'll order. you know him. yet now, after exploring vineyards in the hills of italy, he doesn't order the wine he always orders. he asks to be surprised... and for that moment, he's new to you. princess cruises, come back new. ♪ and his ne