Incident Summary:

12/12/2016: An explosive device detonated targeting Lieutenant Colonel Otos Umusu's convoy along the Maiduguri-Baga road, Kukawa district, Borno, Nigeria. Umusu, a senior Nigerian Army (NA) commander, and an unknown number of soldiers were killed in the blast. No group claimed responsibility for the incident; however, sources attributed the attack to Boko Haram.




Sub-Saharan Africa

region/u.s. state:


Kukawa district

Location Details:
The incident occurred along the Maiduguri-Baga road.

Attack Information
Type of Attack (more) Assassination
Successful Attack? (more) Yes
Target Information (more)
Target Type: Military
Name of Entity Nigerian Army (NA)
Specific Description Convoy of Lieutenant Colonel: Otos Umusu
Nationality of Target Nigeria
Additional Information
Hostages No
Ransom No
Property Damage Yes
Extent of Property Damage Unknown
Value of Property Damage Unknown
Weapon Information
Type Sub-type
Explosives Unknown Explosive Type
Weapon Details
A roadside bomb was used in the attack.
Additional Information
Suicide Attack?No
Part of Multiple Incident?No
Criterion 1 (more) Yes
Criterion 2 (more) Yes
Criterion 3 (more) No
Doubt Terrorism Proper (more) Yes
Alternate Designation (more) Insurgency/Guerilla Action
Additional Information Casualty numbers conflict across sources. Following GTD protocol, the lowest reliable estimates are reported here.
Perpetrator Group Information
Group Name Claimed Responsibility
Boko Haram No
Perpetrator Statistics
Number of Perpetrators Unknown
Number of Captured Perpetrators 0
Casualty Information
Total Number of Casualties 3 Fatalities / 0 Injured
Total Number of Fatalities 3
Number of U.S. Fatalities 0
Number of Perpetrator Fatalities 0
Total Number of Injured 0
Number of U.S. Injured 0
Number of Perpetrators Injured 0
"B/Haram IED kills another Lt. Colonel," Daily Trust Nigera, December 14, 2016.
"Nigeria: Another Nigerian Army officer killed in north-east Nigeria,", December 13, 2016.
"Boko Haram: Terrorists kill another senior army officer in Borno [PHOTO],", December 13, 2016.