Lieutenant Supervisor Lonni Jung was a human male who served as an officer in the Imperial Security Bureau and as a mole for Luthen Rael's rebel network. In 5 BBY, he was a member of a board of supervisors which also included Lieutenant Dedra Meero and which handled operations such as the hunt for Cassian Andor and the events leading up to the Spellhaus attack.
During the reign of the Galactic Empire, Lonni Jung joined the ranks of the Empire, coming to be a part of the Empire's Imperial Security Bureau served in the Imperial Security Bureau (ISB) in 11 BBY. Along the way, he began working with the rebel spy Luthen Rael, who coordinated a shadowy anti-Imperial network. Jung became apart of the network, making a vow, but only communicated with Rael. While Jung fed the rebel spy information from is work in the ISB, Rael allowed him information that he used to boost his career.
Jung made his way up the Bureau, reaching the position of ISB Supervisor and the rank of lieutenant by 5 BBY. Sectors that came under his jurisdiction included the Abrion sector and the Bright Jewel sector. Jung also eventually became married to a woman from a family with an import business. They had a daughter between 6 and 5 BBY, making Jung a father. The new responsibility made him begin reconsidering his connections with Rael, who he had last met with in 6 BBY.
In 5 BBY, Jung served within the Investigations branch of the ISB as part of a board of supervisors chaired by Major Lio Partagaz. The ISB board met in the ISB Central Office on the Imperial capital planet of Coruscant. During one board meeting, Partagaz, frustrated with Supervisor Lagret's slow developments regarding a conflict, addressed the room at large, explaining that the ISB's purpose was to cure the "sickness" of disorder within the Empire by first being able to identify it quickly.
Partagaz then reassigned Lagret's unfinished memorandum, causing the supervisor to turn in dismay to Jung, who was sat to the right of his colleague. The major soon asked Jung to elaborate on requests that had been made for additional protection for traffic to the Abrion sector. Jung explained that the requests were a proactive measure due to an increase in construction shipments going to Scarif, a planet located in the sector where the DS-1 Death Star Mobile Battle Station was undergoing construction in secret.
Not long after, an infiltration team formed by Rael successfully stole around 80 million credits from an Imperial sector payroll stored at an installation on the planet Aldhani. Jung, the rest of the ISB board, as well as many ISB Attendants were summoned back to the meeting room. There, Partagaz advised them that they should tell their staff and families that they were not be going home, and added that he wanted every in the building to be ready for presentation by midnight. Afterward, an ISB board meeting was held by the bureau's director, Colonel Wullf Yularen, in which the Colonel briefed the supervisors on the new security legislation being introduced as a result of the Aldhani incident.
In a later ISB board meeting, Jung provided three theories to Partagaz explaining why he failed to keep pace with his neighboring sectors. After requesting guidance from Partagaz, the latter demanded a complete audit of hyperspace routes leading to the planet Ord Mantell by the same time the next day. As the meeting continued, Jung watched Supervisor Dedra Meero pitch her suspicions that there as an organized rebel effort to acquired Imperial military components, an effort which was in reality Rael's network. At the end of the meeting, Partagaz reminded Jung about the report on Ord Mantell. In a following board meeting Jung was present would later be present as Meero presented her thesis regarding a rebel effort specializing in the theft of Imperial equipment to Yularen himself.
Meero continued her investigations on the supposed rebel network through an incident on the planet Ferrix, marking a thief named Cassian Andor as a crucial link to a buyer that she believed to be at the centre of the network. The buyer, who was in fact Rael, was labelled as "Axis." Meero expanded on her work against the rebel effort at another ISB board meeting, where Jung noted that Andor was mentioned throughout the document. Meero suggested a link between Andor and the Aldhani heist, noting that the thief had since returned to Ferrix with money; Lagret questioned whether it was from the sale of a stolen Imperial N-S9 Starpath Unit, but Jung chimed in that the Starpath had left behind on Ferrix during the incident.
Soon after, Jung arrived from off-site to another meeting with Partagaz, Meero, and Lagret, accompanied by an attendant. The supervisor was updated that a rebel pilot associated with the neo-Separatist Anto Kreegyr had been captured and had revealed that a raid was planned on the Imperial power station on Spellhaus. After confirming that the pilot had been heading to Kafrene, Jung added that Kreegyr's group would count the pilot missing before long. He countered Lagret's suggestion of destroying the ship, predicting that Kreegyr would be suspicious from that. Meero then suggested fouling the ship and staging an accident, Jung saying that it would have to be towed to Kafrene. Partagaz approved of Meero's idea and ordered Jung and Lagret to arrange a meeting with Military Intelligence about Spellhaus.
The ISB successfully quashed Kreegyr's plans
With the accident set up, Jung, Meero, and Lagret observed the fouled ship get reported and towed by Kafrene Rescue Salvage. Partagaz soon joined them, being updated by the trio. When the major concluded that they would hang back and wait, Jung suggested that the ISB investigate as they would do normally, under the assumption that Kreegyr would be watching. Partagaz agreed with the supervisor's suggestion.
Jung then sought to make contact with Rael for the first time in a year, wishing to pass on information on Meero's investigations and negotiate leaving the rebel network. The supervisor left a mark on a fountain and breaking a stair rail off clean as a signal to the rebel spy for a face-to-face meeting. Rael's assistant Kleya Marki saw the signs and informed Rael, believing it was a trap. Rael did not believe that was so and decided to go forward with the meeting.
Jung would then make his way into the Coruscanti undercity, meeting with Rael regarding Anto Kreegyr. When Rael suggested Kreegyr's men continue ahead to their deaths in order to reduce suspicion, Jung expressed discomfort. He then stated that he wished to forfeit his position, having become a parent. Rael refused, listing the sufferings he had lived through as a result of his dedication to the Rebellion. With the final comment that Luthen needed all the heroes he could get, Jung left.
A human male, Lonni Jung had auburn hair, blue eyes, and light skin. As an undercover rebel informant, Jung lived a stressful life, a feeling which only grew after the birth of his first child. Despite the calm demeanor Jung presented as a supervisor, he was overcome with loneliness and anxiety. Unprepared for the sensation brought by his daughter, he reevaluated the risk of his position to be too great for the safety of him and his family. Although Jung was still devoted member of the Rebellion and sought to save others targeted by the ISB.
Jung wore a white Imperial officer's uniform with two code cylinders and a rank insignia plaque with three blue squares.
Lonni Jung was portrayed by Robert Emms in "Aldhani," the fourth episode of the television series Andor, which aired on September 28, 2022. Prior to the episode's release, he was visually revealed in the teaser trailer for the show which aired on May 26, 2022.
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