Charlie Kirk's alleged assassin's transgender lover has been granted limited immunity, a new court filing has revealed. Lane Twiggs, Tyler Robinson's roommate and romantic partner, was granted 'use-immunity' for a statement he gave to officials on April 20, according to a filing on Tuesday that was reviewed by Fox News. Prosecutors plan to use the 22-year-old's recorded statement, as well as his communications with Robinson around the time of Kirk's murder, at the July 6 preliminary hearing, the outlet reported. The legal protection means that the statement Twiggs made to authorities following Kirk's death 'could not be used against him,' prosecutors said in the filing. Kirk, 31, was fatally shot on September 10 while speaking at a Turning Point USA (TPUSA) event at Utah Valley University. Robinson, 22, turned himself in to the authorities the following day after his parents recognized his picture in the news and persuaded him to peacefully surrender. The FBI soon uncovered that Robinson had sent a flurry of text messages to Twiggs during his 33 hours on the run, disclosing his alleged involvement in the shooting and his efforts to evade capture. Twiggs has never been charged or implicated in the shooting. The transgender lover of Tyler Robinson, Charlie Kirk's alleged assassin, has been given limited immunity ahead of the trial, a new court filing has revealed Robinson, 22, turned himself in to the authorities the following day after his parents recognized his picture in the news and persuaded him to peacefully surrenderHe did not tip off authorities at the time, but did agree to cooperate when they sought him out in the wake of his roommates' arrest. Twiggs went into hiding after his live-in boyfriend was unmasked as the alleged gunman who shot Kirk while he debated transgender issues at the school. His sudden disappearance from their apartment in St George fueled skepticism over what, if anything, Twiggs knew in advance of Robinson's alleged plot to snuff out one of the nation's leading conservative voices.Exclusive pictures snapped by the Daily Mail in February showed Twiggs finally emerging from hiding, but living a completely different life. He has since moved thousands of miles away to Texas after reconciling with his strict Mormon family, with whom he now lives. Sources said he spends his days gaming online and reading fantasy novels, occasionally venturing out to grab takeout or run errands for his parents, Tyler and Amy. He was seen carrying clothes, sneakers, and a stack of books into his new four-bedroom home in an unassuming suburban neighborhood. Twiggs paired his androgynous, shoulder-length locks with a baseball cap, blouson jacket, jeans, and a retro Taco Bell T-shirt. Kirk, 31, was fatally shot on September 10 while speaking at a Turning Point USA (TPUSA) event at Utah Valley UniversityWhen the Daily Mail caught up with Twiggs at a nearby gas station, he scowled at our reporter and then refused to answer questions about his links to Robinson, who could face death by firing squad if convicted of murdering Kirk. We asked him if he had any inkling that his furry fetishist beau was planning to kill Kirk, or if he had any words of comfort for widowed Erika Kirk, 37, and their two children.'No, no, no,' Twiggs repeated nervously. 'I cannot answer any questions.' As his trial nears, Robinson has enlisted a legal team to focus on helping him avoid a guilty verdict and, in turn, a death sentence. Much of that task hinges on a little-known kind of 'mercy investigator' who only works on capital cases, the Daily Mail reported last week. Mitigation specialists, as they’re known, work behind the scenes gathering facts about their clients’ lives in a bid to convince juries to spare them from death sentences and choose life imprisonment instead. In Robinson’s case – the highest profile assassination of our time – his team started combing for that evidence shortly after his arrest last fall and is expected to continue doing so for at least another year before a jury is even seated.Their research likely involves constructing his detailed life history, documenting his mental health and digging up past abuse or traumas, researching his family dynamics and relationships with friends and lovers, and showing how growing up online and playing video games may have damaged his brain. His sudden disappearance from their apartment in St George (pictured) fueled skepticism over what, if anything, Twiggs knew in advance of Robinson's alleged plot to snuff out one of the nation's leading conservative voices As his trial nears, Robinson (pictured) has enlisted a legal team to focus on helping him avoid a guilty verdict, and in turn, a death sentenceTyler has spent the last nine months in a Provo jail with little to no contact with other inmates. His main interactions are with members of his legal team, a psychological evaluator, and corrections officers who deliver meal trays to his cell, sources told the Daily Mail. At his preliminary hearing, prosecutors are expected to detail Robinson’s apparent confession to his father and text messages to Twiggs, stating 'It was me at UVU yesterday. I'm sorry for all of this.’Among the other evidence against him is DNA found on a rifle left at the crime scene and a note found on his keyboard reading, ‘I had the opportunity to take out Charlie Kirk and I'm going to take it.’