SAIPAN — Lianyong Wei, a 51-year-old Chinese immigrant, died on August 23, 2026, while in U.S. Immigration and Customs Enforcement custody at a detention facility in Saipan. A corrections officer found Wei unresponsive during morning checks at the Saipan facility on August 23, 2026, and he was pronounced dead at approximately 7:30 a.m. local time.

Wei had been taken into U.S. Immigration and Customs Enforcement custody on August 22, 2026, pending removal proceedings. The Saipan detention facility is run by the Northern Mariana Islands Department of Corrections. After being found unresponsive, Wei was transported to the Commonwealth Health Care Corporation Emergency Room where life-sustaining interventions were initiated.

Wei was pronounced deceased at approximately 7:30 a.m. Chamorro Standard Time on August 23, 2026, at the Commonwealth Health Care Corporation Emergency Room. The official cause of Wei's death remains under investigation.

The Department of Homeland Security declined to verify whether Wei underwent a basic health screening within 12 hours of intake. Department of Homeland Security regulations require all immigrant detainees to receive a basic health screening within 12 hours of intake. "Comprehensive medical care is provided from the moment individuals arrive and throughout the entirety of their stay," Department of Homeland Security officials said. "Following this incident, the Department is reviewing relevant procedures and will implement any necessary corrective actions to strengthen prevention and response measures," Northern Mariana Islands corrections commissioner Anthony Torres said.

Wei is the 57th death of an immigrant detainee held in the care of the government since the start of President Trump's second term in January 2025. Twenty-four immigrant detainee deaths have occurred since January 1, 2026. Wei is at least the fifth Chinese national who has died in the custody of ICE or the U.S. Border Patrol since March 2025. Two of the first four Chinese national deaths in ICE or Border Patrol custody since March 2025 were the result of medical complications.

Timeline

Wei entered the U.S. territory in February 2019 and was authorized to stay for two weeks. Wei's legal immigration status ended in 2019. In June 2026, the Trump administration eliminated a Biden-era policy requiring ICE to report deaths occurring within 30 days of people being released from custody.

U.S. authorities began removal proceedings against Wei in July 2026. Wei was arrested by the Commonwealth of the Northern Mariana Islands Department of Public Safety on August 21, 2026. Wei was arrested on charges stemming from an alleged assault on a family of five at their home.

What's New

Wei, a 51-year-old immigrant from China, was pronounced deceased at approximately 7:30 a.m. Chamorro Standard Time on August 23, 2026, at the Commonwealth Health Care Corporation Emergency Room. Wei's next hearing was scheduled for September 2026.

"We have expressed serious concerns to the relevant U.S. authorities over this incident and required a timely and thorough investigation into the cause of Mr. Wei’s death, notification of the findings, measures to prevent any recurrence of similar incidents, and assistance to the family of the deceased in handling the aftermath, the Chinese Consulate General in Angeles said. Following this incident, the Department is reviewing relevant procedures and will implement any necessary corrective actions to strengthen prevention and response measures," Torres said. Authorities in the Northern Mariana Islands announced Wei's death on August 24, 2026. The lockup in Saipan has held an average of 18 ICE detainees on any given day in 2026.

Why It Matters

The death of Lianyong Wei adds to a growing tally of fatalities among immigrants in federal custody. He is the 57th death of an immigrant detainee held in the care of the government since the start of President Trump's second term in January 2025, with twenty-four such deaths occurring since January 1, 2026. The incident involves a facility in the Northern Mariana Islands, a U.S. territory with a population of roughly 50,000 people, where the local lockup has held an average of 18 ICE detainees on any given day in 2026.

The case has drawn international attention, with the Chinese government pressing for answers and a thorough investigation. This marks at least the fifth death of a Chinese national in ICE or Border Patrol custody since March 2025, following previous incidents where two were ruled suicides and two resulted from medical complications. The Department of Homeland Security has stated it is reviewing procedures, while also noting that its responsibility for monitoring ends when an individual leaves custody.