Police hunt for AWU files The police investigation into the AWU scandal is not just serious but broadening in its scope: FEDERAL Court officials have been told by Victorian detectives investigating the AWU "slush fund" scandal that they intend to execute a search warrant at the court's registry to retrieve a legal file concerning Julia Gillard's allegedly corrupt former boyfriend, union official Bruce Wilson. The file is regarded by police and legal figures, including former Australian Workers Union national secretary Ian Cambridge, now a commissioner for Fair Work Australia, as significant because it is believed to include several affidavits and evidence of allegedly corrupt payments by building companies to Mr Wilson. In a letter to Victoria Police's Major Fraud and Extortion Squad earlier this month, Federal Court official Robert Thomsett described the file's documents and subpoena material about building companies Thiess, John Holland Construction and others. These firms allegedly paid hundreds of thousands of dollars to Mr Wilson, a former AWU state secretary who has denied any wrongdoing. A large part of the alleged fraud was carried out through the AWU Workplace Reform Association, which was set up in the 1990s after legal advice from Ms Gillard in her role as a lawyer at Slater & Gordon. Ms Gillard, who later described the association as a "slush fund" for the re-election of union officials, has vehemently denied wrongdoing, saying she knew nothing of the operations of the association. But a second file, believed to be more significant, has gone walkies: The Federal Court's Mr Thomsett has advised police that despite repeated searches since late last year the second file is still missing. A senior source said the missing file had held a sworn statement made in 1996 by an AWU staffer, Wayne Hem, who has told The Australian he was instructed by Mr Wilson to put $5000 into Ms Gillard's personal bank account in 1995. Mr Wilson did not deny the claim and said Mr Hem was an honest man who was probably correct. Ms Gillard said she had no recollection of getting the money. The circumstances surrounding the file's disappearance are part of the ongoing investigation into the alleged fraud by Victoria Police, which has sent several detectives to Sydney this week to speak to witnesses and gather further evidence.