Although incarcerated , he nominally served in Parliament after being elected to the National Assembly in 1990 and Senate in 1997 . He was released from jail in 2004 and went into self-exile to Dubai , but returned when Bhutto was assassinated on 27 December 2007 . As the new Co-Chairman of the PPP , he led his party to victory in the 2008 general elections . He spearheaded a coalition that forced military ruler Pervez Musharraf to resign , and was elected President on 6 September 2008 . He was acquitted of various criminal charges the same year
Bhutto was assassinated
Assassination of Benazir Bhutto
Asif Ali Zardari