Answer:
Under the PATRIOT Act, the FBI can issue a warrant to compel banks,
Step-by-step explanation:
The Patriot Act was passed in 2001 so as to better the abilities of U.S. law enforcement to detect and deter terrorism. The act's full official title is, “Uniting and Strengthening America by Providing Appropriate Tools Required to Intercept and Obstruct Terrorism. Under this act FBI can use a warrant so as to get the necessary information which is considered crucial for an investigation.