620 ILCS 10/4

In the execution of the provisions of this Act, general police power is conferred upon the Department, each of its officers, and such of its employees as are designated by the Secretary to exercise such power.

Every State, county and municipal law enforcement officer shall enforce and assist in the enforcement of action taken pursuant to the provisions of this Act when so requested by the Department or by any airport operator or manager delegated emergency authority in writing by the Secretary pursuant to the provisions of Section 3, including arrest if the circumstances so require.