Revealing mistake: When Amanda and Fin are in Atlanta following up on their rape case, they walk past several cars with visible Georgia license plates mounted on the front. Georgia is a rear plate-only state and wouldn't have had license plates mounted on the front of the cars, as shown here. (00:13:30 - 00:16:20)
Character mistake: At the end of the episode, Carisi calls Amanda Alex.
Character mistake: In the final scene, when Carisi and Rollins are about to get on the elevator, he calls her "Alex." Her name is Amanda. (00:41:25)
Answer: His clients are guilty and won't take a plea. He's using desperate defenses in hopes of swaying a juror or two. Also makes for better television. "Temporary insanity" isn't nearly as compelling as "the video games made me do it."
Brian Katcher