Simplify the following text for a Grade 11 native English-speaking person.
Original: To combat the apparent rise in prostitution , Sergeant Yates of the Park County Police goes undercover as a female prostitute named `` Yolanda '' .
Simplified: After rumors swirl Sergeant Yates of the Park County Police goes undercover as a female prostitute named `` Yolanda '' and went on undercover stings .