Place it near the start of a prank edit, just before the reveal, then follow it with a shocked reaction for the caught person and a nervous laugh once everyone understands the joke.
이 사운드에 대해
This clip, just over two seconds long, features a single male speaker announcing himself as the police in a steady, businesslike manner, with nothing else in the recording. The plain delivery makes listeners pause and expect trouble for a second, then the obvious setup turns that tension into a laugh.