1. Ku Klux Klan
The Ku Klux Klan, a.k.a KKK or Klan is an American white supremacist hate group known for their extremist positions on white nationalism, anti-immigration among others.
The KKK has historically has been known to use terrorism against groups or individuals they were against.
2. Brenton Harrison Tarrant
Brenton Harrison Tarrant carried out two consecutive terrorist attacks in the mosques in Christchurch, New Zealand on March on 15th March 2019.
The attacks, which were live streamed on Facebook by Tarrant, began at the Al Noor Mosque in the suburb of Riccarton at 1:40 pm and continued at the Linwood Islamic Centre at about 1:55 pm.
He killed 51 people and 50 other injured, one of whom later died. Tarrant was eventually arrested and charged with murder.
3. Dylann Roof
Dylann Wolf is a mass murderer who killed 9 people, all African Americans, and injured one person, during a prayer service at Emanuel African Methodist Episcopal Church, in Charleston, South Carolina.
After a manhunt ensued, which led to his arrest, Roof confessed to committing the mass shooting in hope of igniting race war.
On April 10, 2017, Roof was sentenced to nine consecutive sentences of life without parole after formally pleading guilty to state murder charges.
4. Robert Lewis Dear Jr
On 27th November 2015, Robert Dear planned and executed a mass shooting at a planned parenthood clinic in Colorado Springs, killing 3 people and injuring 9 others.
It took a standoff that lasted for over 5 hours before Dear Surrendered
5. Wade Michael Page
Wade Michael was a former U.S Army veteran who started a mass shooting at the gurdwara (Sikh temple) in Oak Street Wisconsin, United States.
Page fatally shot six people and left four others wounded. Page committed suicide by shooting himself in the head after he was shot in the hip by a responding police officer.
6. Anders Behring Breivik
Anders Behring Breivik is a Norwegian far-right activist who carried out the 2011 Norway attacks.
Breivik killed eight people in the attack by detonating a van bomb amid Regjeringskvartalet in Oslo, then shot dead 69 participants of a Workers’ Youth League (AUF) summer camp on the island of Utoya. In July 2012, he was convicted of mass murder, causing a fatal explosion, and terrorism.
7. Peter Selis
Peter Selis went on a shooting spree at a birthday celebration at a San Diego apartment complex.
Selis opened fire at a crowd of about 30 people at a birthday pool party. One person was killed and seven others were critically injured in the mass shooting. Victims were mostly black and hispanic.
8. James H. Jackson
In March 2017 James H. Jackson, a white supremacist Stabbed a black man to death, an attack that was racially motivated.
Jackson turned himself in after the murder, and pleaded guity yo six counts, including a murder and a hate crime charge.
9. Eric Robert Rudolph
10. Seung-Hui Cho
In what is known as the Virginia Tech shooting, Seung-Hui cho killed 32 people and wounded 17 others with two semi-automatic pistols on April 16th, 2007, at Virginia Tech in Blacksburg, virginia.
Cho committed suicide after police breached the doors of the building where most of the shooting had taken place.