Complex sentence: In Congress, she advocated unsealing records pertaining to the CIA's role in the assassination of Martin Luther King Jr. and the murder of Tupac Shakur, and continued to criticize the Bush Administration over the 9/11 attacks.
Split into simpler sentences: In Congress, she advocated unsealing records pertaining to the CIA's role in the assassination of Martin Luther King Jr. and the murder of Tupac Shakur. She continued to criticize the Bush Administration over the 9/11 attacks.