Recommended Practice

Identifying Suspicious Behavior in Mass Transit

Abstract

This Recommended Practice establishes minimum guidelines for identifying suspicious behavior in mass transit.

Document History
Document Number Version Publication Date Publication Related Information
APTA SS-SRM-RP-009-09 10/15/2009 Published Current

Keywords

identifying, security, suspicious behavior, suspicious, transit

Summary

 In a post-September 11 era, securing transit agencies against terrorism is a priority. Transit agencies by nature are open and easily accessible by the public, and thereby are easily accessible by terrorists and potential criminals. It is impractical for transit agencies to use the screening practices used in airports. Terrorists and criminals could be of any race, color, gender, religion, ethnicity, or national origin. Selective screening of passengers based only on these characteristics is profiling and is unconstitutional and unlawful. An acceptable method of securing transit agencies is to monitor and identify suspicious behavior. This  Recommended Practice provides guidance and procedural guidelines for identifying suspicious behavior and potentially criminal activity. It includes criteria for identifying basic behavioral characteristics of possible criminals and/or terrorists.

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