No, it's not neccessarily the shot placement that makes the blood trail, it's the bullet, a ballistic tip most of the time will leave an entrance wound the size of the bullet diameter, which is small, and will leave no exit wound, since the bullet just shatters in the organs, and deer can run very far, even with excellent shot placement, and ifthe ballistic tip leavesvery littleblood trail, and the deerruns far,thewoundwill clot, and theblood trailwill stop.