THE WOMAN WHO KNEW TOO MUCH Martha Njoroge didn't sleep. Not that night. Not after finding the note. Not after reading those six words over and over again. Stop asking questions, Martha. The message sat on her dining table. Mocking her. Threatening her. Warning her. Every time she looked at it, a chill ran through her body. Someone knew. Someone had discovered her investigation. Someone was watching. The realization should have convinced her to stop. Instead, it had the opposite effect. Because innocent people didn't send threats. Guilty people did. The next morning, Martha arrived at the clinic earlier than usual. The corridors were nearly empty. Most employees hadn't arrived yet. Perfect. She headed directly toward the r

