```
"It's not necessarily poisoning," Erman shook his head again, speaking professionally, "The signs of poisoning are too obvious, and they can't be covered up afterward."
"Having a family doctor use the wrong medication sounds silly, but if you can get the doctor to cooperate and ensure they keep quiet afterwards, this method is indeed safer."
"Just by increasing the dosage a bit, a fragile old person could die in their sleep without pain."
"Uh..." Lincoln was somewhat surprised to hear Erman speak so calmly, "Have you seen something like this happen?"
"No," Erman immediately denied.
But before Lincoln could ask again, he continued, "However, I've heard of similar cases, where it always ended up traced back to the doctor and categorized as a medical accident."
Lincoln was at a loss for words.
He could only lament, "Are the heirs to financial conglomerates all this ruthless?"
Erman had nothing to say in response.