sentences:  Following a party at the house of Dr Richard Arnot and his wife Penny, the bodies of Helen (23) and Johannes Otten (35), a Dutch tugboat captain, were found in the street 70 feet below the Arnots' sixth floor balcony.Helen was found lying in the road clothed but with her underpants partly off and Johannes, whose underpants were around his thighs, was impaled upon the spiked railings surrounding the apartment block.Also present at the Arnots' that night were Tim Hayter, a diver from New Zealand, a marine biologist named Jacques Texier, four German salvage operators and quite a number of other people who were never traced.