Andrew Phillip Cunanan was born August 31, 1969 in National City, California, to Modesto "Pete" Cunanan, a Filipino American, and Mary Anne Schillaci, an Italian American, the youngest of four children. Modesto was serving in the US Navy in the Vietnam War at the time of his son's birth; after leaving the Navy, where he had served as a career officer, he worked as a stockbroker.