As thousands died, the story of the PM’s top adviser waxed and waned in unpredictable ways. Its impact is as yet unknown
The first inkling of the story that shook Downing Street to its core came at the beginning of April.
It was the first Sunday of the month, a couple of hours before the Queen’s stirring promise to the nation that, however hard it was to endure separation from our loved ones, “we will meet again”. Boris Johnson was seriously ill, and that evening it would be announced that the prime minister had been admitted to hospital.