In the summer of 2016, Hannigan traveled to Washington to meet with Brennan regarding alleged communications between the Trump campaign and Moscow. On Jan. 23, 2017—three days after Trump’s inauguration—Hannigan abruptly announced his retirement. The Guardian openly speculated that Hannigan’s resignation was directly related to the sharing of UK intelligence. | In the summer of 2016, Hannigan traveled to Washington to meet with Brennan regarding alleged communications between the Trump campaign and Moscow. On Jan. 23, 2017—three days after Trump’s inauguration—Hannigan abruptly announced his retirement. The Guardian openly speculated that Hannigan’s resignation was directly related to the sharing of UK intelligence. |