flash roll
nounEtymology See flash around.
1
A bundle of banknotes used by undercover law enforcement to convince a criminal that they want to go ahead with an illegal transaction.
- The sources of flash-rolls will vary from jurisdiction to jurisdiction, but if the investigating agency has no specific fund designated for a flash-roll, funds may be borrowed from the city or state treasury, or from local financial institutions […]2001, Michael D. Lyman, Dominique Van Neste, Practical Drug Enforcement, page 40:
- Some agencies have sealed flash rolls that have been precounted with the serial numbers recorded for use in an operation on short notice.2003, Gregory D. Lee, Global Drug Enforcement: Practical Investigative Techniques, page 159: