Country's Supreme Court earlier this year ruled against marriage equality
Officers raped and beat Azul Rojas Marín in 2008
Unclear whether government will repeal decision
Sebastián Piñera in June announced support for measure
Country remains embroiled in political, economic crisis
Gareth Henry targeted before fleeing to Canada
Vicky Hernández killed during 2009 coup
President Sebastián Piñera 'failed to live up to obligations'
Gay men have challenged country's colonial-era statute
Editor of Blade media partner among participants