I had the bright idea of making an execution chamber. I stick a cage with any captured enemy (or elephant) in a room with a drawbridge that goes up to lock them in. I then pull a lever to open the cage and have my marksdwarf plug them through fortifications as you see below.
The problem is that the marksdwarf doesn't do anything. He has a crossbow and a quiver full of bolts, but he doesn't shoot. In the image there is a 1x1 drawbridge to the left of the goblin and 2 squares of fortifications between him and my marksdwarf.
Can dwarves only shoot one way through fortifications? Maybe I built it wrong. Now I can't even tell my marksdwarf to go anywhere else as he no longer responds to set points. He definitely sees the goblin, he just doesn't know what to do with it. What is wrong here?