Remember when Matt Simmons and Officer Taksin exchanged a "challenge coin" at the end of the premiere episode? Challenge coins are used in a variety of ways and vary based on profession and country. Police forces and government agencies all over the world exchange such coins as a sign of respect, thanks, or recognition of completion of particularly rigorous tasks.
6 Things To Know About Criminal Minds: Beyond Borders
Watch Full Episodes Of Criminal Minds: Beyond Borders On CBS.com