Tarrant County Prosecutor's Closing Argument Gets Case Reversed

What was it in this murder case?
Was there any evidence of that? Uh, no. That's a problem.

And since the political atmosphere at the time of the trial in 2014, some of the relevant news events were listed in the opinion. Edit: I didn't word that very well.

Opinion here. Concurrence here. Dissent here (which condemned the comment but said that trial counsel did not preserve the error for appellate review.)