Challenge coins have sparked controversy at other police departments, as well. A challenge coin circulated within the Phoenix Police Department celebrated a protester being struck in the groin by ...

One challenge coin created by a police lieutenant reads, in part, “Hunt the animal” and depicts a knight brandishing a state flag-emblazoned shield. Another features a bulldog in a Maryland ...

These are among the designs of collectible “challenge coins” that have been offered for sale to Louisville Metro Police officers through internal department-wide emails in recent years.

DALLAS (CBSDFW.COM) - A Dallas police officer was placed on administrative leave after what some city leaders are calling a "bad decision" involving a controversial challenge coin. Challenge coins ...