"Using cash for small purchases like a cup of coffee, gum and other items is a good indication that a person is trying to pass for normal without leaving the kind of paper trail created using a debit or credit card for small purchases." – -FBI says paying cash for coffee is a sign of terrorist intent"
FBI “Communities Against Terrorism” Suspicious Activity Reporting Flyers
The following collection of 25 flyers produced by the FBI and the Department of Justice are distributed to local businesses in a variety of industries to promote suspicious activity reporting. The flyers are not released publicly, though several have been published in the past by news media and various law enforcement agencies around the country. We have compiled this collection from a number of online sources…