Monteilh was involved in one of the most controversial tactics: the use of “confidential informants” in so-called entrapment cases. This is when suspects carry out or plot fake terrorist “attacks” at the request or under the close supervision of an FBI undercover operation using secret informants. Often those informants have serious criminal records or are supplied with a financial motivation to net suspects.
In the case of the Newburgh Four – where four men were convicted for a fake terror attack on Jewish targets in the Bronx – a confidential informant offered $250,000, a free holiday and a car to one suspect for help with the attack.
In the case of the Fort Dix Five, which involved a fake plan to attack a New Jersey military base, one informant’s criminal past included attempted murder, while another admitted in court at least two of the suspects later jailed for life had not known of any plot. 
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