The Trinity. Keane, Thomson and Harkness.
The ‘Unknown Man’ was named Keane.
Keane was not involved in espionage.
Keane was not involved in any conspiracy.
Keane was a car thief.
Keane was in Adelaide to meet Prosper McTaggart Thomson.
Jessica Harkness, Thomson’s live-in companion, met Keane.
Thomson dealt in used cars.
Thomson handled large amounts of money.
Thomson lived near Somerton Beach.
Keane was found dead on Somerton Beach.
Keane had abrasions to the knuckles of his right hand.
Keane’s body was stripped of ID and wallet.
Keane’s body was stripped of his luggage ticket and suitcase key.
Keane’s suitcase was found unlocked.
Keane’s suitcase was suspected of being ransacked.
.. and Thomson was never interviewed.