DT-JZ, also known as Jez, was a DT-series sentry droid who collaborated with Captain A'Shar Farless at the Imperial security complex located on the planet Scarif. Farless' family gifted the droid to the captain to ensure his safety during his service to the Galactic Empire. While DT-JZ was interacting with Captain Farless, Governor Wilhuff Tarkin made an entrance to the complex. Following a delivered speech, Tarkin escorted Farless for a stroll, which resulted in the sentry droid being left in place. Tarkin assigned Farless as the head of the complex, but insisted on leaving DT-JZ behind. Farless bid farewell to his droid companion and departed as DT-ZJ left with Governor Tarkin.