Incident Summary:

08/04/2013: Assailants abducted Kayla Jean Mueller from Aleppo city, Aleppo governorate, Syria. Mueller, a United States aid worker, was confirmed dead on February 10, 2015. Her kidnappers had previously asked for a ransom equivalent to $6,600,000.00, which was not paid. The Islamic State of Iraq and the Levant (ISIL) claimed responsibility for the incident.

GTD ID:
201308150059

When:
2013-08-04

Country:
Syria

Region:
Middle East & North Africa

Province/administrative
region/u.s. state:

Aleppo

City:
Aleppo

Attack Information
Type of Attack (more) Hostage Taking (Kidnapping)
Successful Attack? (more) Yes
Target Information (more)
Target Type: NGO
Name of Entity Support to Life; Danish Refugee Council (DRC)
Specific Description Aid Worker: Kayla Mueller
Nationality of Target United States
Additional Information
Hostages Yes
Number of Hostages 1
US Hostages 1
Days of Kidnapping 555
Outcome Hostage(s) killed (not during rescue attempt)
Ransom Yes
Total Ransom Amount Demanded 6600000.00
Ransom Amount Demanded from US Sources 6600000.00
Total Ransom Amount Paid 0.00
Total Ransom Amount Paid by US Sources 0.00
Ransom Notes Unknown
Property Damage No
Weapon Information
Type Sub-type
Unknown
Additional Information
Suicide Attack?No
Part of Multiple Incident?No
Criterion 1 (more) Yes
Criterion 2 (more) Yes
Criterion 3 (more) Yes
Doubt Terrorism Proper (more) No
Perpetrator Group Information
Group Name Claimed Responsibility
Islamic State of Iraq and the Levant (ISIL) Yes (Confirmed: Unknown; Mode: Posted to website, blog, etc.)
Perpetrator Statistics
Number of Perpetrators Unknown
Number of Captured Perpetrators 0
Casualty Information
Total Number of Casualties 1 Fatalities / 0 Injured
Total Number of Fatalities 1
Number of U.S. Fatalities 1
Number of Perpetrator Fatalities 0
Total Number of Injured 0
Number of U.S. Injured 0
Number of Perpetrators Injured 0
Sources
"Death of Kayla Mueller, ISIS Hostage, Confirmed by Family and White House," The New York Times, February 10, 2015.
"The Fate of 23 Hostages in Syria," The New York Times, October 25, 2014.
"Officials: No proof U.S. hostage killed in airstrike," USA Today, February 7, 2015.