White people keep two books. One off record, one on record. When off record gets exposed by someone in his/her inner circle that's when they get caught.
In most cases these things are settled by cooperating with the taxman and denying no knowledge of such things happening. Transfer funds to a charity for safekeeping, offshore account etc. ensuring safe passage for the company accountant and family to Mexico until the storm passes.
Kenya doesn't have sufficient regulatory bodies, systems, checks and balances, paper trail to catch let alone persecute embezzled funds especially when the GoK is THE poster child for embezzled funds. Rome wasn't built in a day and neither is that one tribe-stealing slur since Kenya's Independence.