11.   An undercover officer went inside and bought a bag of heroin from a man named Luis Quintero, police said.

12.   An undercover officer played a machine in the bar and won.

13.   An undercover officer from Dayton, Ohio, told how he bought LSD from a junior high school student.

14.   An undercover officer was sent over to pose as an admissions officer and to review his application.

15.   And the mayor of Tampa promises there will be undercover officers in the clubs ready to enforce the law.

16.   As the undercover officers searched the rooms for hidden cash, customers continued to arrive, knocking on the door or ringing for appointments.

17.   Athens-Clarke County police said Grant offered an undercover officer money for sex.

18.   At two locations, he said, suspects approached the undercover officers on bicycles.

19.   Based on the introduction of the informer, Castillo offered to sell the undercover officer a quarter-ounce sample of heroin, investigators said.

20.   Before long, Sanchez wooed the undercover officer away from Castillo by offering to sell him larger quantities of cheaper and purer heroin, investigators said.