5. They are looking for an identity.
4. They have a need for belonging.
3. They want to correct what they believe is injustice.
2. They are looking for a thrill.
1. They sympathize with a group and self-radicalize via the internet.
Andrew Kaczynski is a political reporter for BuzzFeed News and is based in New York.
Contact Andrew Kaczynski at email@example.com.
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