Past presidents have made strange requests of the FBI, some of which were documented by J. Edgar Hoover.
Trump's sacking of his FBI director won't stop intelligence leaks – or the official investigation into alleged Russian interference in the US election.
History is littered with the debris of the all too often abusive relationship between the intelligence community and those in power.
The South African president has survived an attempt to remove him, and argued that it was a conspiracy.
Malcolm Turnbull has announced an expert panel to undertake a broad review of Australia's intelligence agencies over the next few months.
The federal government's review of intelligence agencies is important not just for our understanding of their function, but also for a more open public debate about spying and security.