Luigi Mangione is the subject of another investigation and this time, it's fashion-related.The high-profile suspect in the shooting of United Healthcare CEO Brian Thompson seemed to appear as a model on the website for Shein, the fast-fashion behemoth, as first spotted Tuesday by TMZ.By Wednesday, Shein had removed the image of the suspicious model in an $11 summer button-down. The retailer also released a statement announcing an investigation into how a likeness of Mangione, who is currently jailed at the Metropolitan Detention Center in Brooklyn, made its way onto its site. (@) In a statement provided to BBC News, the company stated: "The image in question was provided by a third-party vendor and was removed immediately upon discovery. We have stringent standards for all listings on our platform. We are conducting a thorough investigation, strengthening our monitoring processes, and will take appropriate action against the vendor in line with our policies.It is still unclear whether or not the photo was artificially created via AI or Photoshop, but the brand vows to get to the bottom of this. Though the shirt is quickly selling out.Mangione has been imprisoned at the Metropolitan Detention Center in Brooklyn since December after he was arrested and was charged with the murder of Thompson. The crime took place in Midtown Manhattan on December 4 and Mangione was arrested five days later in Pennsylvania, where he was caught with a a fake ID, a handwritten manifesto criticizing the healthcare industry, a ghost gun, and a silencer.He's been charged with a number of charges including stalking, murder, and using a firearm with a silencer. However, ever since his arrest, the suspected shooter has become an internet darling. The more popular the case became, the more people began to dig up old photos of Mangione, there was fanfiction written about him on Archive of Our Own, and fan edits started popping up all over social media. Mangione has also emerged as a fashion influencer a Nordstrom crewneck sweater worn at a court appearance, as well as a Levi's jacket, have become viral hits.