Mueller's protégé, Lisa Osofsky, might hold the key to Russiagate. She knows that LCILP were working on counterterrorism investigations concerning Bangladesh and HSBC.
Arvinder Sambei and Martin Polaine (LCILP) were part of the FCO/HSBC cleanup crew.
Here is Osofsky talking about her relationship with Bob Mueller and her work on the BCCI scandal.
BCCI was an MI6/CIA/Saudi/Pakistani Bank which was used for covert operations around the world.
HSBC started mimicking it.