Exclusive: prison multinational MTC uses a ‘minimalist staffing model’ that critics say is putting detainees and staff in serious danger Get our breaking news email , free app or daily news podcast A series of catastrophic security failures involving the US private prison company running Australia’s immigration detention centres has allowed the escape of high-risk detainees, caused ill-equipped staff to be stabbed and hospitalised, and triggered multiple investigations, one of which warned its “minimalist staffing model” was putting workers and detainees at risk. Guardian Australia can reveal that in September 2025, just six months after Management and Training Corporation assumed control of onshore detention, the home affairs minister, Tony Burke, was forced to haul in the company’s presi