Compare and contrast active shooter tragedy by Anders Behring Brevlik(Sweden),  Vladislav Roslyakov  (Kerch,Crimea) , and  Seung Hui Cho (Virginia Tech,USA). 

6 page research papaer

Compare and contrast active shooter tragedy by Anders Behring Brevlik(Sweden),  Vladislav Roslyakov  (Kerch,Crimea) , and  Seung Hui Cho (Virginia Tech,USA).

Use at least 2 references per shooter with correct citations and reference page.

research security measures used at locations of shooting.