Multiple reports say a ministerial briefing issued before Victoria’s Big Build scandal contained warnings about CFMEU misconduct and alleged criminal infiltration. The articles state that four of Premier Jacinta Allan’s top advisers were authors of the briefing, which raised concerns about union behaviour and possible criminal involvement in relation to the infrastructure program. The reporting frames the document as a “bombshell” because it reportedly indicates senior government officials were made aware of serious allegations well ahead of the public fallout. The sources do not agree on additional operational details beyond the existence and authorship of the briefing and the nature of its warnings. The reporting also characterizes the document as part of internal advice rather than a public disclosure, focusing on what officials knew and when. The articles collectively emphasize the timing of the briefing relative to when the scandal later emerged, while leaving open questions about how subsequent decisions were made and what follow-up action, if any, occurred.