I have served in a LEAD OR SUPERVISORY capacity as a primary liaison with law enforcement agencies, governmental agencies, attorneys, or other outside organizations, including coordinating investigative activities, exchanging sensitive or complex information, resolving investigative or coordination issues, and maintaining ongoing professional working relationships. Persons claiming eligibility for disabled veterans preference must submit to the employment office, on or before the application deadline date, a certification from the United States Veterans Administration or a military service department, dated within 1 year, which certifies the present existence of a service related disability of 10% or more, or other acceptable proof of such disability as a result of his/her military service.