JIHADI JOHN

A jury has convicted a British national for his role in an Islamic State group hostage-taking scheme that took roughly two dozen Westerners captive a decade ago.

A hostage who survived more than a year as a captive of the Islamic State is testifying about the beatings and torture inflicted on him by his captors.

A British national has admitted in federal court that he played a leadership role in an Islamic State scheme to torture, hold for ransom and eventually behead American hostages.

One of two British nationals charged with joining with the Islamic State group and conspiring to torture and behead American and European hostages in Syria is scheduled to plead guilty to criminal charges.

El Shafee Elsheikh and Alexanda Kotey are two of four men who were dubbed “the Beatles” by the hostages because of the captors' British accents. The charges are a milestone in a yearslong effort by U.S. authorities to bring to justice members of the group known for beheadings and barbaric treatment of aid workers, journalists and other hostages in Syria. “If you have American blood in your veins or American blood on your hands, you will face American justice,” said Demers, the department's top national security official. The indictment charges the men in connection with the deaths of four American hostages — Foley, journalist Steven Sotloff and aid workers Peter Kassig and Kayla Mueller — as well as European and Japanese nationals who were also held captive. In July 2014, according to the indictment, Elsheikh described to a family member his participation in an IS attack on the Syrian Army.

Intelligence agencies are trying to unmask an ISIS fighter known as the new "Jihadi John." Sources say the English-speaking fighter is from London. Heritage Foundation Senior Research Fellow for Middle Eastern Affairs James Phillips joins CBSN with more.

A new ISIS video has raised questions about the identity of a British militant and concerns about security in the United Kingdom. CBS News Foreign Correspondent Elizabeth Palmer joins CBSN with analysis.

Sources have revealed to CBS News the suspected identity of the newest so-called “Jihadi John.” The English-speaking militant threatens attacks against Britain in the latest ISIS video that appears to show the execution of five men. Elizabeth Palmer reports.

U.S. officials say the ISIS executioner known as "Jihadi John" may have been killed in a U.S. drone strike that hit a vehicle near the ISIS stronghold of Raqqa in Syria. Chip Reid reports from the White House.

The Pentagon is "reasonably certain" that the ISIS executioner known as "Jihadi John" is dead after a U.S. airstrike targeted him in Syria. CBS News senior national security analyst Juan Zarate joins CBSN with more details.

What does ISIS execution video location reveal? In ISIS' newly released execution video, Jihadi John reveals the location of the video as Dabiq. CBS News National Security Analyst Juan Zarate explains what is gained by disclosing the location and how this ISIS video is different from others.

ISIS executes another American hostage The White House confirmed what ISIS has claimed this weekend: American Peter Kassig has been executed. Like previous ISIS execution videos, this one features the same, black masked killer with a British accent, known as “Jihadi John.” Julianna Goldman reports.