denuncjator

An agent on the case murdered the confidential informant and tried to kill the defense attorney.

That could be endangering the life of a confidential informant.

In 1984 and '85 he was a confidential informant on hate organizations.

Discusses the role played by confidential informants in law enforcement.

This is mainly done through standard police investigation and the use of confidential informants.

The police department also said it would review its use of confidential informants after the shooting.

"This is the kind of confidential informant that the Government expects to rely on?"

The unnamed person was described in the charges as someone who had become a confidential informant.

Undercover officers worked with confidential informants, starting small and building trust.

The two Governments have traded court witnesses and confidential informants many times.