The prosecution had good indirect evidence of both, which the jury accepted at an initial trial and again at a retrial ordered on appeal.
TNT (now part of PostNL) was an Australian transport and logistics company with significant operations in Europe.
But he became aware something was happening, since in July 1996, From 1 August 1996, Hannes took permanent leave from the bank, but kept keys to the MCF offices, since he would still be doing work for at least one client.
Before and after taking leave, Hannes made a number of late night visits; the prosecution alleged that on those occasions he looked at the work of project Tennis.
On 2 September 1996, TNT announced it has made an agreement, with certain conditions, to sell its stake in Air New Zealand to Ansett Transport Industries.
On 5 September 1996, one "Mark Booth" rented a mailbox at Mail Boxes Etc in Mosman, subsequently used for correspondence and grandly called "Suite 140, 656 Military Road".
That same day, "Booth" obtained a bank cheque for $9,000, paid with cash, for stock brokers Ord Minnett and deposited with them.
It later turned out there was no such person, but at number 51 was Patricia Myers whom Hannes had met at a book club meeting that month.
Booth's written instruction was to buy November $2.00 TNT call options for up to 2c each, as many as could be had (including brokerage expense) for the money on account.
On 3 October 1996, Staehli received a letter from Booth instructing him to hold the position until 4 November 1996 in case a rival bidder made a higher offer, then sell.
Not surprisingly, this big win immediately raised suspicions at the exchange and the following day (October 3rd) the Australian Securities Commission (ASC) began an investigation.
The ASC investigated many people from Macquarie, TNT and KPN who might have been Booth, using good old-fashioned perseverance.
NetMap was designed to look at large data sets for unusual links between people or groups in their communications or financial dealings, to identify possible wrongdoing.
On 17 January 1997, a search warrant was executed at Hannes home and documents, his computer, an anorak, a black bag and glasses were seized.
In a voluntary police/ASC interview that day, Hannes asserted the options had been bought without his authority, by a person he did not wish to name but with whom he had formed an investment syndicate.
The ASC charged Hannes, The trial in the District Court of New South Wales was long and complex.
And further that when the alleged insider trading became public knowledge Hannes and the friend agreed to return the monies.
But he made those FTR terms cumulative on the insider trading (but concurrent with each other) for a total 2 years 6 months.
On 13 May 2008, Hannes won an uncommon second hearing in the High Court, to make an argument for special leave to appeal.