Gachagua is known to have loads of cash. For years i have heard it. I do not know all his businesses or sources of cash. It is therefore possible, and even likely, that its proceeds of crime/fraud. But what is undeniable at the moment is that akina Gachagua are being harassed to silence. That is the overriding/motivating factor in this.
We are also expecting Moses Kuria to be arrested. And Susan Kihika's source of funds are under microscopic scrutiny; even giving rise to claims she's a traitor being funded by CIA agents. And citizenship whether dual or what (Miguna style!)...