Jamal Nasser was an Afghan

Afghanistan

Afghanistan , officially the Islamic Republic of Afghanistan, is a landlocked country located in the centre of Asia, forming South Asia, Central Asia and the Middle East. With a population of about 29 million, it has an area of , making it the 42nd most populous and 41st largest nation in the world...

 soldier who died in United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

' custody on March 16, 2003.

In 2004, eighteen months after his death, when his death in custody was brought to the attention of American headquarters, his death was attributed to a kidney infection.
Later, an investigation determined that the account of death by natural causes was a fiction, the result of collusion among the GIs in the Special Forces unit whose custody he was in when he died.
After a two year investigation no one was held responsible for his death. However reprimands were filed in the dossiers of several GIs for the failure to report his death.

Senator Patrick Leahy's account

According to
Senator

United States Senate

The United States Senate is the upper house of the bicameral legislature of the United States, and together with the United States House of Representatives comprises the United States Congress. The composition and powers of the Senate are established in Article One of the U.S. Constitution. Each...

 Patrick Leahy

Patrick Leahy

Patrick Joseph Leahy is the senior United States Senator from Vermont and member of the Democratic Party. He is the first and only elected Democratic United States Senator in Vermont's history. He is the chairman of the Senate Judiciary Committee. Leahy is the second most senior U.S. Senator,...

:

According to the "Crimes of War Project" The detainee, Jamal Naseer, died in March 2003, allegedly after weeks of torture by American soldiers. Because the Special Forces Special forces Special forces, or special operations forces are terms used to describe elite military tactical teams trained to perform high-risk dangerous missions that conventional units cannot perform...  unit that reportedly controlled the detention facility failed to report the death, it was never investigated. This incident is very troubling on its own, but, like so many other incidents we have discovered, it points to a much larger problem. The U.S. Army Criminal Investigation Command U.S. Army Criminal Investigation Command United States Army Criminal Investigation Command investigates felony crimes and serious violations of military law within the United States Army...  received a tip about Naseer’s death earlier this year, but could not investigate the matter due to a lack of information. Christopher Coffey, an Army detective based at Bagram air base Bagram Air Base Bagram Airfield, also referred to as Bagram Air Base, is a militarized airport and housing complex that is located next to the ancient city of Bagram, southeast of Charikar in Parwan province of Afghanistan. The base is run by a US Army division headed by a major general. A large part of the base,... , told the L.A. Times: “We’re trying to figure out who was running the base. We don’t know what unit was there. There are no records. The reporting system is broke across the board. Units are transferred in and out. There are no SOPs [standard operating procedures] … and each unit acts differently.”

Neimann Foundation for Journalism account

Craig Pyes, one of the two LA Times reporters who broke the story, described the process of researching the story for the Neiman Report, the publication of the Neiman Foundation for Journalism.
Pyes wrote that he and his colleague, Kevin Sack, decided to conduct a parallel investigation to the Army's official investigation. He wrote they interviewed more than 100 individuals.

• They found that Jamal Nasser in the custody of a unit known as ODA 2021, at an American firebase in Gardez
  Gardez Fire Base
  The Gardez Fire Base is an American outpost in Afghanistan, near the city of Gardez, in the Province of Paktia, near the border with Pakistan.The base is approximately 100 kilometers south of Kabul, and was the subject of regular attack in 2003....
  
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• Nasser was captured with seven other Afghan soldiers, who described being beaten for seventeen days.
• Nasser's brother, a member of the Afghan squad, had one of his toe-nails pried off by his American interrogators.
• The Afghans had their clothes doused with glacial meltwater, and were then left outside all night in freezing cold weather.