Nope.... it's not nearly that deliberate or predictable. I don't have a clear indication what this scene looked like, the angles, distances, views or the skill and clarity this guy had. It would be a tough call, and this jury made it this way. This one guy was deemed to be undeserving of charges by that jury that discussed it just like we are but in more detail. No matter what issues we grapple with here, we have a lot more time for analysis and 20/20 hindsight at our disposal than he had at the time. We can't measure him against whether his actions were perfect, rather whether they were ~reasonable~.
He shot the perp once outside the van, the perp then entered. At that point the van was open and both individuals appeared in the sight picture. The fact that he shot both twice from the same string of shots, proves that both individuals were contained in the target cross section. The distance was sufficiently large that Mr Beck did not have a sure shot at the perp w/o including the woman.