Mexican capital a refuge despite anti-LGBT violence, discrimination
Amezquita-Guzman spent months in ICE detention in Georgia
Trans people in hemisphere have life expectancy of under 35 years
Mariela Castro accused of manipulating advocates
Dennis and Judy Shepard spoke at LGBT conference in Mexico
Country seen as āa bridgeā to the U.S.
Nearly 500 advocates attending biennial ILGA gathering
Judy Shepard among those slated to speak
Gay couple in Baja California brought case
Last year brought advances, setbacks across the world