21.   The drug activity the undercover police were fighting a year ago in far west Houston shocked Higgins with its openness.

22.   The singularity of that mission is what makes it crucial that journalists are solely journalists, not secret government agents or undercover police.

23.   They and their families are followed by undercover police agents, and they dare not discuss campaign strategy on the telephone for fear that the lines are tapped.

24.   Undercover police also are at work, said DeCosta.

25.   Undercover police frequently patrol the bars in the Sixth Street entertainment district for underage drinkers, especially on Thursday, Friday and Saturday nights.

26.   Were they undercover police?

27.   When undercover police make drug buys, they usually hide a small radio transmitter on their person.

28.   After the court proceedings, the seven observers were seized by undercover police.

29.   Also Wednesday, two Palestinian laborers trying to skirt an Israeli checkpoint were shot and wounded by undercover police.

30.   An undercover police operation has shut down a drug-making factory and led to the arrests of seven suspects, police said Tuesday.