The Trump administration has escalated its campaign against Southeast Asian transnational criminal networks responsible for online scam operations that defrauded Americans of more than $12.5 billion in 2025 — a 25 per cent increase over the previous year. The push was outlined before the House Foreign Affairs Subcommittee on East Asia and the Pacific on 26 June, where senior officials warned the problem continues to worsen despite enforcement gains.

What the Administration Said

Michael G. DeSombre, Assistant Secretary of State for East Asian and Pacific Affairs, described a 'whole of government effort' to combat criminal syndicates operating across the Indo-Pacific. He said the objective was not merely to shut down scam centres but to dismantle the organisations behind them entirely. 'The goal is to make sure we arrest the bad guys and make sure they don't ever do it again,' DeSombre said.

He confirmed that the Department of Justice had 'restrained more than $15 billion in cryptocurrency from scam centers since October 2025,' while the administration was simultaneously advancing 'targeted sanctions and diplomatic pressure to hold governments accountable for enforcement.'

Scale of the Fraud and Regional Spread

Ranking Member Ami Bera flagged the rapid expansion of scam compounds along the Mekong region, noting that Chinese criminal organisations had been exploiting special economic zones in Vietnam, Cambodia, and Laos. He added that these syndicates were also linked to drug trafficking and routinely forced civilians into working in online fraud operations — a practice widely documented by human rights groups.

DeSombre acknowledged that enforcement pressure in Cambodia had produced an unintended consequence: criminal groups have migrated to neighbouring countries. 'We now see scam centers cropping up in Malaysia, Indonesia, even in Timor-Leste and other places,' he said. While describing the development as 'not good,' he noted it had spurred broader regional cooperation as more governments began experiencing the direct impact of organised cyber fraud.

Cambodia's Progress and Limits

DeSombre credited Cambodian Prime Minister Hun Manet with making the issue a government priority, saying there had been 'positive developments' in enforcement. However, he was clear that progress in one country had simply displaced criminal activity rather than eliminating it — underscoring the transnational nature of the threat.

Regional Coordination Efforts

To address the cross-border dimension, DeSombre said he had recently convened a contact group comprising US allies, partners, and several Southeast Asian nations to strengthen intelligence sharing and law enforcement cooperation. Online investment fraud, cryptocurrency scams, and romance scams have emerged as among the fastest-growing forms of transnational organised crime in the region, with criminal networks deploying trafficked workers to run sophisticated digital fraud schemes targeting victims worldwide.

With fraud losses rising year-on-year and criminal networks proving highly adaptive, the administration's next steps — including the scope of threatened sanctions and the membership of the new contact group — will be closely watched by both regional governments and US lawmakers.