Holly gives a nearly perfect description of the suspects to the sketch artist while under hypnosis. She did so without ever looking at either sketch while he was drawing them, which would make the final result impossible.
At the trial both defendants are in their jail uniforms, as evidenced by the CJ (county jail) on the rear of their shirts. At an actual trial, the defendants would be in civilian attire such as suits so as to not convey an appearance of guilt.