The story I read stated that he tried to wheel the stroller out the door and she put him down. A knee shot would have meant that the round went past the baby's head if it was still in the stroller. If he did pick the stroller up and she did shoot him in the knee then she must have blown out a femoral artery and he bled out.
Gun Control: The premise that a woman found in an alley, raped and strangled with her own pantyhose, is morally superior to allowing that same woman to defend her life with a firearm.
"Science is built up with facts, as a house is with stones. But a collection of facts is no more a science than a heap of stones is a house." - Jules Henri Poincare
"Three thousand people died on Sept. 11 because eight pilots were killed"
-- former Northwest Airlines pilot Stephen Luckey