Rod Rosenstein: Trump's deputy attorney general resigns

The deputy attorney general, Rod Rosenstein, has resigned, after a fraught two-year relationship with a president who resented his decision to appoint a special counsel to investigate possible ties between Donald Trump’s presidential campaign and Russia.

His last day will be 11 May.

https://www.theguardian.com/us-news/2019/apr/29/deputy-attorney-general-resigns-mueller-investigation

On September 21, 2018, The New York Times reported that Rosenstein suggested, in the spring of 2017 shortly after the dismissal of Comey, that he could secretly tape conversations between himself and Trump, using those recordings against Trump. He also allegedly suggested invoking the 25th amendment to attempt to remove Trump from office.[62][63] Rosenstein strongly denied it, and other reporting suggested he had been sarcastic in his reference to taping Trump.[64][65]

https://en.wikipedia.org/wiki/Rod_Rosenstein