Tactics must be subordinate to strategy.
Mike set a development strategy for the Organization of Water: gain notoriety quickly and to a significant degree because attracting the attention of the Grey-cloaked People naturally follows notoriety.
Mike's strategy could not be said to be erroneous, but now the situation had changed. The CIA had become the biggest threat to the Organization of Water, and to continue seeking rapid fame under the CIA's threat was tantamount to courting death.
The CIA perhaps did not know of Mike and Brian's relationship with the Organization of Water, but Mike had contacted the outside world in the guise of 'Cheese.' With Mike now dead alongside Charles, and considering Charles and Brian's relationship was no secret, what if the CIA drew the connection between the Organization of Water and Brian?
So, whether or not the CIA, influenced by a mole, considered the Organization of Water a target to be eliminated, as long as there was that possibility,
