Not neccessarily true.
Al Merely shot first.
There were plenty of trained police and fbi there that could have shot Karl. Karl could have missed. Someone could have gotten in the way of the bullet... you're forwarding blind supposition as fact again.
And the DH4 of your statement was more deluded keyboard poop from you.
McClane was babysitting the whole time and rocked the joint like a champ. Like a champ.