The six Israel Police detectives who are due to testify at the trial of suspected drug dealer Ze'ev Rosenstein in Miami requested permission on Thursday to appear in court wearing wigs and make up fake so that their identities would not be exposed.
In addition, the detectives also asked to be identified in court by their police numbers only, not by name.
The detectives made the request out of fear that they would be targeted by Rosenstein's associated when they continued to work in Israel after the trial.
Rosenstein, identified by federal prosecutors as one of the world's biggest distributors of Ecstasy has pleaded not guilty to charges that could put him in prison for up to 40 years.
The 51-year-old entered the plea in May, nearly three months after he was extradited from Israel to face charges that he conspired to distribute more than 1 million Ecstasy pills in the US between summer 1999 and November 2001.