Touche!!
Perps had to be within eyesight of the road. They selected the dwellings that were the most likely source. What else could they do?
Wuterich had men who had been through this before. Roll a grenade, boom, enter the room, get shot.
How do you know what's behind the door? Guess right, you live. Guess wrong, you die. Guess right, innocents don't get killed. Guess wrong, innocents get killed. Grand Central Station going on in your mind. All while under maximum, blinding stress. Roll the grenade, boom, enter the room. Hope you did the right thing.
What in the hell else could they do?
It's easy to sit in your comfortable Lazy Boy in your comfortable life and sip Martinis and watch Anna Nicole stories when you're a bleeding heart.