Structure Interview: get to the interview site at 8:30 AM and start around 10 o'clock. The interview measure your abilities to access different situations but I cannot tell you what they are, because I signed an agreement before the interview. Mostly measure your moral, ethical and common sense. So really nothing to study. But you can definitely read ahead about how law enforcement officers deal with things in certain situation. If you are a prior service in military, you'll probably ace these questions. We training to responds with these situations in Basic training, NCO academy and in BOLC. Remember that the first thing in every question to think about is safety of immediate factor.