Soon after, other family members involved in the undercover operation are killed.

She is said to be in a deep undercover operation.

The man was not involved in the earlier undercover operation, the police said.

The stage was set for what would become an 18-month undercover operation.

For now, an agent was killed during an undercover operation.

Do I know how to conduct an undercover operation, or what?

It was intended that the undercover operation last for around six months.

The names of the drug agents in the undercover operation were not made public.

Your magazine calls it "one of the most successful undercover operations in history."

And for undercover operations to take place to enforce that law.

He attributed some of the drop to similar undercover operations.

All the foreign intelligence undercover operations were then blown away.

On the other hand, the commission was in a difficult position because of the undercover operation's need for secrecy.

Two undercover operations developed new tools to counter those problems.

"Why did he pick her for a supposedly dangerous undercover operation?"

We have an undercover operation to deal with service refusals.

He later played a role in the elaborate police undercover operation against the former employee.

Maybe your undercover operations could utilize some of our standard equipment.

The undercover operation even had an air of legality about it.

It's now emerged the two men died as a large undercover operation swung into action.

The new unit is to stay in the area after the undercover operation leaves next week, police commanders said.

They have a number of undercover operations going on here, and their operatives spread the word.

But by the end of the undercover operation, he added, "the bankers were even suggesting a better way."

"How are we going to do an undercover operation?"

"During Grady's undercover operation, one of his former agents became involved in the case."