As with most American productions, "yakusa" is mispronounced yah-KOO-zah. The correct pronunciation is YAH-koo-ZAH.
Cronuts are mentioned. Dominique Ansel of NYC had premiered the cronut just 10 monthe before this episode aired. That some Hollywood writers would know about this pastery after just over half a year tells you how big a splash cronuts made. At the time of this episode cronuts were limited to two per customer, six if pre-ordered online.
Ninjas actually originate in Korea, so when the dance partner of the murdered girl states , "I'm Korean . That's racist profiling."