Police Probe Into Late Barrister Mark Dennis and Charity Sunrise Cambodia Revealed
Australian and Cambodian national police have been investigating late Sydney criminal defence barrister Mark Dennis and his connections to the high-profile children's charity Sunrise Cambodia. Dennis, who served as chairman of the Australian Cambodian Foundation, died in his home in February following charges related to child abuse material found on his devices at Sydney Airport. ABC Investigations reports allegations from former staff regarding inappropriate behaviour, while charity representatives state they were previously unaware of complaints.
Key points
- Late Sydney barrister Mark Dennis was arrested in January over child abuse material found on his devices at Sydney Airport.
- Dennis was released on bail and subsequently found dead in his home in February.
- Joint Australian and Cambodian police Operation Queenstown is investigating his network and links to children's charity Sunrise Cambodia.
- Former Sunrise staff members alleged instances of sexual harassment and inappropriate touching by Dennis, though the charity stated it had no prior knowledge of complaints.
What Happened
In January, criminal defence barrister Mark Dennis was intercepted at Sydney Airport by Australian Border Force officers returning from Cambodia. Searches of his electronic devices led to his arrest and child abuse material charges. He was released on bail and found dead in his Sydney inner-west home in February.
Subsequent reporting by Background Briefing and ABC Investigations revealed that his death did not conclude law enforcement inquiries. An ongoing joint investigation between Australian and Cambodian national police, codenamed Operation Queenstown, has been examining Dennis's network and his extensive involvement with the children's charity Sunrise Cambodia.
Context
Dennis began sponsoring children at Sunrise Cambodia around 2008 and eventually became chairman of the Australian Cambodian Foundation, the registered Australian charity managing donations for Sunrise. Over the years, he raised at least $340,000 through legal conferences, attended annual beach trips with children and staff, and gained significant operational influence.
The ABC's investigation includes allegations from former staff members who claimed Dennis sexually harassed a former employee and made teenage girls uncomfortable through excessive touching. Additionally, witnesses alleged Dennis regularly entered dormitory areas. A Sunrise spokesperson stated the charity was never aware of any complaints against Dennis and that police informed them no current or former Sunrise child had been identified as a victim.
What's Next
Operation Queenstown remains active as Cambodian and Australian authorities continue probing Dennis's network and past activities. Meanwhile, Sunrise Cambodia has stated that work is underway to distance sponsor relationships from children, including phasing out individual child sponsorship and discontinuing sponsor invitations to Sihanoukville beach trips.
Why it matters
The investigation highlights critical governance and child safety challenges for international charities, raising questions about how organizations balance donor fundraising influence and high-level access with safeguarding vulnerable children.

