ALEXANDRIA, Va. — A member of a infamous cell of 4 British Islamic State members who tortured Western hostages pleaded responsible on Thursday in a federal courtroom full of relations of the group’s American victims, a few of whom had been beheaded for propaganda movies seen all over the world.

Alexanda Kotey, 37, was a part of an ISIS cell of 4 Britons known as “the Beatles” — a nickname given by their victims due to their accents — and recognized for his or her excessive brutality.

The group kidnapped and abused greater than two dozen hostages, together with the American journalists James Foley and Steven J. Sotloff in 2014, each of whom had been beheaded in propaganda movies. One other two People had been additionally killed: Peter Kassig and Kayla Mueller.

As households of all 4 victims sat silently within the courtroom on Thursday, Mr. Kotey recounted calmly and with out emotion his crimes and his involvement within the hostage-tasking schemes. He stated he knew what would occur to the hostages if their governments didn’t fulfill the ransom calls for, which he had emailed to the households.

Failure to conform, he stated, “would finally end in both indefinite detention of these overseas captives or their execution.”

He pleaded responsible to a number of expenses, together with conspiracy to commit hostage taking leading to loss of life and conspiracy to homicide U.S. residents outdoors america. As a part of the plea deal, if Mr. Kotey fulfills his cooperation necessities, he might be despatched to Britain after 15 years to finish the rest of a compulsory life sentence.

The British authorities must agree to simply accept Mr. Kotey, who would additionally must plead responsible to British crimes. He may also meet with the hostage households in the event that they wish to communicate with him, below the settlement.

Mr. Kotey was captured in Syria by a Kurdish-backed militia in 2018, together with El Shafee Elsheikh as they tried to flee to Turkey. Mr. Elsheikh, 33, has pleaded not responsible and has not struck a plea cope with prosecutors. Ought to Mr. Elsheikh determine to take his probabilities at trial, Mr. Kotey’s plea settlement doesn’t require that he testify towards him.

The Trump administration engaged in a prolonged debate over what to do with the 2 males, weighing choices like turning them over to the Iraqis or taking them to the wartime jail at Guantánamo Bay, Cuba.

The households of the useless hostages mounted a strong public campaign to steer the Trump administration to carry the pair to america to face federal prosecution, weathering years of frustrations because the Justice Division discovered easy methods to proceed.

Final yr, after William P. Barr, the lawyer common on the time, cleared the best way for the British authorities to supply useful proof for the prosecution, the 2 males had been delivered to Virginia to face expenses earlier than a civilian courtroom.

The households declined to talk throughout the listening to, which was held on the seventh anniversary of Mr. Sotloff’s loss of life. They intend to talk at Mr. Kotey’s sentencing listening to in March.

After the listening to, Diane Foley, the mom of James Foley, thanked the Justice Division and the F.B.I., including, “This accountability is important for anybody who kidnaps or unjustly detains People overseas, if our nation needs to ever deter hostage taking.”

The responsible plea additionally marks a victory for the U.S. lawyer’s workplace in Alexandria, which started investigating the kidnapping of Mr. Foley in November 2012. Prosecutors within the workplace pushed the case ahead regardless of huge bureaucratic hurdles whereas combating off makes an attempt by counterparts in Manhattan to take over the high-profile matter.

In an announcement, Raj Parekh, one of many prosecutors and now the performing U.S. lawyer, described the People killed as “pillars of braveness and kindness on the entrance traces of a deadly battle.”

“They risked their lives to shine a light-weight on the darkest corners of the globe and to assist others most in want,” he stated.

Mr. Parekh added that the therapy Mr. Kotey acquired in america stood in “stark distinction to the cruelty, inhumanity and indiscriminate violence touted by the terrorist group he espoused.”

Prosecutors stated Mr. Kotey participated within the American prisoners’ “seizure, detention and hostage negotiations” and likewise took half in hostage operations involving “British, Italian, Danish and German nationals, amongst others.”

The hostages had been abused badly in Syria. They had been subjected to waterboarding, mock executions, painful stress positions, meals deprivation, beatings with sticks, chokeholds inflicting blackouts and electrical shocks.

Their jailers compelled the hostages to battle one another and to witness murders, the Justice Division has beforehand stated. In some instances, hostages had been launched after ransoms had been paid. The American hostages met grotesque deaths that rattled the Obama administration and compelled the federal government to revamp the best way it handled the households of hostages. In response to prosecutors, Mr. Kotey stated the violence was a part of “controlling” the hostages.

One other member of the cell — Mohammed Emwazi, higher referred to as Jihadi John — was killed in an airstrike in 2015 in Syria. Mr. Emwazi was believed to have killed Mr. Foley and Mr. Sotloff, in addition to Mr. Kassig, an support employee. Mr. Kotey stated he traveled to Syria in August 2012 with Mr. Emwazi and first joined a Qaeda offshoot, Al-Nusra Entrance, earlier than switching to ISIS.

The fourth British member of the group, Aine Davis, has been imprisoned in Turkey on terrorism expenses. Mr. Kotey’s cooperation can be an essential a part of any effort to prosecute Mr. Davis if Turkey agreed to extradite him to america or Britain.

Mr. Kotey stated he was not current when the People had been beheaded on video however was conscious beforehand that ISIS meant to kill them. When he begins offering data to the People, the British and different overseas governments, it isn’t clear if he’ll be capable of present any dependable particulars about the place the People had been buried or what occurred to Ms. Mueller, a younger girl from Arizona who was imprisoned with the opposite People and hostages.

Mr. Kotey’s protection lawyer, Sabrina P. Shroff, declined to remark.

Prosecutors say that Abu Bakr al-Baghdadi, the slain Islamic State chief, turned Ms. Mueller right into a intercourse slave. In early February 2015, the Islamic State introduced that Ms. Mueller had died in an airstrike and despatched the Mueller household footage of her lifeless physique. She was moved from location to location within the ultimate months of her life.