According to an investigation by Homeland Security Investigations (HSI), Julia Schinghomes arrived at the school in 1984 and took the items.

Source: https://www.denver7.com/news/local-news/historical-items-belonging-to-alan-turing-that-were-recovered-in-colorado-returned-to-england

Homeland Security Investigations special agents arrested 255 individuals in 2022, obtained 192 indictments, and received 95 convictions related to intellectual property crimes.

Source: https://krdo.com/news/2023/03/27/customs-officers-seize-more-than-700000-of-knockoff-gucci-chanel-other-designer-brands/

Homeland Security Investigations, the FBI and the Drug Enforcement Administration conducted the investigation.

Source: https://ktar.com/story/5541910/arizona-man-sentenced-to-11-years-in-prison-on-drug-distribution-gun-crimes/

Meanwhile, as local and state authorities try to tackle the issue in their communities with nearly a dozen state task forces, Homeland Security Investigations is "using all of its investigative authorities" to do what it can, Aguilar said.

Source: https://abc11.com/organized-retail-crime-home-depot-employee-killed-ring-theft/13328330/

U.S. Attorney Hurwit commended the cooperative efforts of the joint investigation led by the FBI and Homeland Security Investigations, along with IRS-Criminal Investigation, the U.S. Postal Inspection Service, and the U.S. Marshals Service.

Source: https://www.eastidahonews.com/2023/03/5-idaho-family-members-sentenced-to-prison-ordered-to-forfeit-51-9-million-after-running-elaborate-counterfeit-scheme/