Ah yes. The diving holiday off the Great Barrier Reef.

Striking out in the clear blue water, amongst the shoals of fish, the coral below, the Calypso bobbing above us on the surface. Ten minutes or so into the dive we found the man in the blue lounge suit, feet encased in concrete, tied up with microphone cable. He was swaying gently in the ocean currents.

"That's Paul Anchor," you said.