4) A fourth witness was in the bank when the robbery occurred. They describe being terrified as the robber, dressed in a red button-up shirt, pulled an assault rifle from a duffle bag, and pointed it at the bank teller. They go on to say that the bank teller grabbed their hat in fear as the robber fired several warning shots into the ceiling before getting the money and leaving. Security footage showed later that the robber did indeed pull a gun, but it was a handgun, not an assault rifle. Furthermore, the robber was wearing a blue and green sweater, and the bank attendants do not wear hats during work.
a) What phenomenon is this witness an example of? [1 pt]
b) How did the phenomenon impact their memory? [1 pt]