How is the path of a bullet determined?

A. Test- firing a bullet from different positions gets one that matches the gunshot wound or bullet hole.

B. A rod or laser line is inserted into the wound or bullet hole and points to the direction of the shooter.

C. A comparison microscope can show the direction of the bullet by close-up examination of the wound.

D. The size of the gunshot wound is determined. The larger the wound, the more acute the angle of the bullet's.