No, they were intended to suggest he should be shot in the head for speaking in favor of the Second Amendment. Or, if he was shot in the head, it would at least be deserved.
For Progressives, this:
Doubt it? Then name me a Progressive who's complained that the picture of Ted Cruz promotes gun violence.
OK, let's say you cheated and named yourself. The second requirement is to tell me what you think would have happened if, instead of Cruz, it had been Mrs. Bill or this guy: