The envelope Thomas receives is addressed from "Fordes and Becker Attorneys at Law, 2213 Koula Street, Honolulu, HI 96813" and to "Thomas Magnum, 4155 Kalaniana'ole Hwy, Waimanalo, HI 96795". Although the streets exist, the addresses are fictitious.
Kumu's real name is revealed to be Teuila Tuileta.