"Implicit trust" means having complete faith in someone or something without any doubt or reservation. It is trusting someone or something sincerely and wholeheartedly. Full definition
They place implicit trust in us to speak for them and care for them, which goes well beyond food and shelter. (greymuzzle.org)
Messages shared through employees reach further and garner implicit trust from those inside their network (and extended networks). (postbeyond.com)
I can guess, this is about trust, that perhaps former President Goodluck Jonathan had implicit trust in Dasuki and felt that some of the money he needed to run his campaign could be channelled through the office of the NSA. (ghanapoliticsonline.com)