Abdul Razak Ali Artan was one of the perpetrators of the November 28, 2016, terrorist attack at the Ohio State University. Artan reportedly called the school to warn of a gas leak in one of the labs... Read more

Tahrif, or Tahreef, is the Arabic word for "corruption." The term is used to reference a conspiracy theory dating back to the 9th century CE, which claims that Christians and Jews made changes to their religious texts... Read more

Ramadan Shallah was the leader of the Palestinian Islamic Jihad (PIJ) group from 1995-2018. Under his leadership, PIJ was responsible for numerous attacks on Israeli citizens and in 2007 he was placed on the FBI's Most Wanted... Read more

Ramzi Yousef is a Pakistani Al Qaeda operative who participated in several high profile attacks on behalf of the terrorist group. Yousef was the lead in the 1993 bombing of the World Trade Center in New York... Read more

Omar Mateen committed the Pulse Nightclub shooting on June 12, 2016, in Orlando, Florida, killing 49 and injuring 53. During and after the attack, Mateen stated that he was loyal to ISIS and that the recent killing... Read more

Abdullah Azzam (1941-1989) was an influential Palestinian Salafi jihadist who popularized the concept of 'defensive jihad' during the Soviet invasion of Afghanistan to encourage foreign volunteer fighters to travel to join the mujahideen movement. After the Soviet... Read more