Did the po widdle lefties get their panties in a wad because they were cheated of their free mumia moment?
These things really aren't Left/Right issues. They're much much bigger than that.
To the left, Dorner is a superhero. He got smoked. Literally. Now the left wants to drag out some kind of perceived injustice! What the left really wanted was a few more dead bodies. They wanted Dorner rage acted out on the unjust cops. That's what they wanted.