The episode title is a pejorative Sioux term for any person who is not a member of the tribe (i.e., a "non-Native American").
Tom Jackson's second and final appearance in any American television production. His only previous appearance in an American television series was in "Journey's End (1994)." Being a Canadian of indigenous origin, he normally appears in Canadian television productions.
While the publicly seen job of the United States Secret Service is protecting the President, Vice President, other high-ranking members of the government and their families they also have jurisdiction over protecting the United States payment and financial systems. That jurisdiction includes: counterfeit U.S. currency, bank and financial institution fraud, mail fraud, wire fraud and illicit financing operations. The Secret Service is also a major player in investigating cybercrime, their jurisdiction in that area includes: financial institution network intrusions, identity theft, access device fraud, credit card fraud, and intellectual property crimes. The Secret Service is also a partner with the FBI's Joint Terrorism Taskforce and the National Center for Missing and Exploited Children and assists the Federal Bureau of Investigation in investigated kidnapping and missing children cases that connect to any criminal organization involved in either financial crimes against the US or terrorism.
This episode contains three Star Trek franchise alumni. Armand Schultz (Special Agent Putney) appeared in Learning Curve (1995) as Crewman Kenneth Dalby; Bruce McGill (Congressman Peter Bellingham) appeared in Relativity (1999) as Captain Braxton; and Tom Jackson (Chief Johnson) appeared in Journey's End (1994) as Lakanta.
Actor Armand Schultz has appeared in six out of the nine series in the Law & Order "universe": Law & Order (1990); Law & Order: Special Victims Unit (1999); Law & Order: Criminal Intent (2001); Law & Order: Trial by Jury (2005); Chicago P.D. (2014); and Chicago Fire (2012). The three other series in the that "universe" are Homicide: Life on the Street (1993), Law & Order: UK (2009), and Law & Order True Crime (2017).