What a link...
https://books.google.com/books?id=SlIXBAAAQBAJ&pg=PA69&lpg=PA69&dq=managing+the+risk+of+intentional+actors&source=bl&ots=uJjjb5Riz2&sig=iQ8Nfw1PxBEvgz63jvrimIuJD5Y&hl=en&sa=X&ved=0CCoQ6AEwA2oVChMI7JT-hoTzxwIVzjSICh38LQWd#v=onepage&q=managing%20the%20risk%20of%20intentional%20actors&f=false
From My iPhone