I have a vector graphic in ai format. There are three objects (people) with the left object in front, middle object behind the front and right object in the back. I want the left object to cut the vectors behind it from the middle object and then the middle object to cut the vectors behind it of the right object. I have tried pathfinder without the result I want. The end use is with a laser or mill to follow the vectors. Do I need to try paths?