The last link in the chain comes from the blood from the car, when Holmes determines that the blood was frozen beforehand.
Holmes finds out the blood was frozen beforehand. The last link in the chain comes from the blood from the car.
The last link in the chain comes from the blood from the car. Holmes finds out the blood was frozen beforehand.
The last link in the chain comes from the blood from the car. Holmes finds out the blood was frozen beforehand.