Last week the watchdog called for new powers to make officers attend interviews if they witness a fatal shooting by colleagues, after it emerged that the IPCC has not interviewed any of the 31 officers present at the shooting of Mark Duggan in Tottenham last August.

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The Historical Enquiries Team will not comment on what potential new lines of inquiry have been identified, but the BBC understands it may have been made aware of a potential new witness who could have information about what happened, and has not previously been interviewed by the police.

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The Shooter has not responded to those questions, and Bronstein declined to be interviewed on-the-record for this story.

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McNamara said Nodianos, 18, has been interviewed by detectives "at some length" and is not the subject of an investigation.

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Yet The Economist has established that several former senior managers with detailed knowledge of the affair were not interviewed by the bank.

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The four players have not been identified and have declined to be interviewed by New Zealand police at this stage as the woman in question has not made a formal complaint.

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Like all of Apple's executives, he has hardly ever spoken at an event that is not a product launch, though I did catch him being interviewed at the Royal College of Art a couple of years ago.

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