Group visited D.C., New York
Esteban Parada Armijo died in a Santiago hospital on Jan. 30
Country's president-elect supports measure
Alejandro Alfredo Bustamante Godoy stabbed in neck
Country’s Senate voted 28-6 to move measure out of committee
Socialist backs same-sex marriage, transgender rights bill
Same-sex marriage supporter will face Evelyn Matthei in Dec. 15 run-off
Attack's alleged mastermind sentenced to life in prison
Daniel Zamudio’s death sparked widespread outrage in South American country
Four neo-Nazis beat Daniel Zamudio to death in March 2012
