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
Statutes 'foster alienation and marginalization against LGBT people'
Margarette May Macaulay made comments during Dec. 5 hearing in D.C.
Barbados march was 'incident free event'
Inter-American Commission of Human Rights held hearing last month