(CNN)She will be remembered as the would-be bomber whose device failed to detonate in a string of otherwise deadly terror attacks at Jordanian hotels in 2005. Sajida al-Rishawi was sentenced to death for that attempt, and Jordan executed her early Wednesday. ISIS had demanded her release, threatening to kill two hostages if Jordan didn't comply. ISIS carried out those killings, and Jordan carried out al-Rishawi's execution. But just who was she? And what's her connection to the new radical Sunni group that controls big swaths of Syria and Iraq? Al-Rishawi was referred to as an "imprisoned sister" of the terrorist group in a message purportedly posted online by a known ISIS supporter.
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Sajida al-Rishawi was named in a proposed swap for Japanese hostage Kenji Goto
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She was a failed bomber in a string of terror attacks at Jordanian hotels in 2005
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In 2006, al-Rishawi was sentenced to death in Jordan
The online posts, which CNN could not verify independently, appeared four days after an ISIS video demanded that the @placeholder government pay $200 million within 72 hours for the hostages' release.
Forgoing the money, the voice then issued a new @placeholder demand: the release of al-Rishawi.