Phone Call Sound What Can I Say Or How Can I Sound Like The Police On A Prank Phone Call?

What can i say or how can I sound like the police on a prank phone call? - phone call sound

First, call it a fake. Somebody's callin me and did not stop. I asked her to stop.
It only changes my schedule and school. I tried to block the numbers, but for me, that costs money. How can I feel the police? I would only stop to this person to frighten.