| 11. | The man was wearing a ski mask and holding a baseball bat.
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| 12. | Helicopters circled overhead and troops in black ski masks patrolled the perimeter.
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| 13. | Both groups use bandana handkerchiefs and ski masks to cover their faces.
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| 14. | They wear ski masks and gloves and carry walkie-talkies and police scanners,
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| 15. | One wore a ski mask and the others, except Litvinenko, wore sunglasses.
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| 16. | Disguised in kerchiefs or ski masks, most were armed with old rifles.
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| 17. | He put on a black ski mask and removed his pistol.
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| 18. | During the attack, they wore ski masks and black tactical gear.
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| 19. | They continue to hide their true identities beneath black ski masks.
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| 20. | The 3 participants wearing ski masks were subsequently released with warning.
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