Hatzel Vela was at WJLA from 2012-2014
Security agents passed activist's house during interview
Mariela Castro led march in city of Santa Clara
Cuban president's daughter, organization mark IDAHOT this month
Castro, Perry lead International Day Against Homophobia and Transphobia in Cuba
Trinidad parking lot attendant applauded Mariela Castro
Santiago is more than 500 miles from Havana
Daily life remains difficult on the Communist island
LGBT events to take place throughout country in May
Cuban president's daughter's to lead IDAHOT marches