The incidents took place between April 11, 2002 and April 21, 2003. During this period, they killed four people: a judge, Shaikh Abdulrahman Al-Suhaibani, in Sakaka; the Undersecretary of Jouf Governorate Dr. Hamad Al-Wardi; Major-General Homoud Al-Swailem of the Jouf police; and security officer Ali Al-Ruwaili. They also shot and wounded a number of security officers, and at one point kidnapped an Indian expatriate worker, leaving him tied up and taking his car.