Detectives from the Financial Crime Squad have this morning arrested a man as part of their investigation in relation to allegations of false invoicing linked to a union and a private company.
A 74-year-old Mt Eliza man was interviewed by appointment in relation to fraud related offences.
He was subsequently released pending further enquiries.
Two search warrants were previously executed on 15 May at residential addresses in Mount Eliza and Tullamarine.
The investigation commenced in October 2023 after information was provided to police in relation to allegations of an estimated $2.7M deception believed to have occurred over a five-year period.
The investigation remains ongoing.
Anyone with information that could assist police is urged to contact Crime Stoppers on 1800 333 000 or submit a confidential report online at www.crimestoppersvic.com.au