 Strong and silent, Jurg is highly loyal to Isaak, remaining loyal to him even when Isaak is removed from the Koshka Brotherhood.At this time, Jurg assisted Isaak in the kidnapping of Hannah McKay, in order to assure the cooperation of Dexter Morgan in killing Oleg Mickic and Benjamin Caffrey.However, while Jurg held Hannah at the home of Andres Rodriguez, the deceased boss of the Rojas Cartel, Hannah tried to poison Jurg in an attempt to escape.