(Murtaugh was 8 days away from retirement, in a countdown throughout the film, and fearing his retirement would be placed in jeopardy with his risk-taking partner.Martin Luther King, Jr.and NY Senator and popular Presidential candidate Robert F.Kennedy in 1968 [Note: The Oscars"" ceremony in 1968 had to be postponed for two days due to King""s murder!]widespread city race riots (especially in Detroit and Newark in 1967, and then throughout the country after MLK""s murder)the silent, black-gloved, hand-fist Black Power protest salute - a demonstration of two black athletes during the National Anthem at the politically-charged Mexico City Summer Olympics in 1968US elevision""s first inter-racial kiss on an episode ofStar Trekthe Supreme Court""s ruling that inter-racial marriage was constitutionalnumerous protests against the Vietnam War and against segregation in the Southviolence surrounding the Democratic National Convention in Chicago, and much more.After returning home, Murtaugh spoke to Hong, and learned that his uncle, an artist in China, had paid for his passage to America (for a "chance to make good life").In Hardwick""s hotel suite later that evening, Hardwick ells Jerry that his wife Madge (Helen Broderick, mother of actor Broderick Crawford) expects Jerry to fly down with Horace over the weekend to the Lido (a seaside resort near Venice, Italy), where she is vacationing.