This is the last SVU episode in which Fred Thompson (D.A. Arthur Branch) appears. However, Thompson continued to play the character on the original Law & Order for another season.
When Munch says to Keith Willis (the suspect that is under the delusion that he is the Bulgarian ambassador to the US) "sir, we need to escort you to Foggy Bottom immediately, " he referring to one of the nicknames for the US Department of State, whose headquarters is located in the Harry S Truman building in a Washington, DC, neighborhood called Foggy Bottom.
Fourteenth Amendment, amendment (1868) to the Constitution of the United States that granted citizenship and equal civil and legal rights to African Americans and slaves who had been emancipated after the American Civil War, including them under the umbrella phrase "all persons born or naturalized in the United States.
Barry Bostwick and Michael Boatman play lead councils for the codefendants. They also played together on Spin City (1996).
It's mentioned that the hotel Jennifer and her classmates stayed at during their trip to New York was the Thorpe Palace. This is the same hotel from season 2 episode 8, "Taken."