President specifically criticized Fla. lawmakers over 'Don't Say Gay' law
Protest took place outside agency's D.C. headquarters on Wednesday
Letter notes Roxsana Hernández case
Letter cites coronavirus concerns, rampant mistreatment
Disease could be 'death threat' to anyone with compromised immune system
Wrongful death lawsuit planned in Roxsana Hernández case
Efforts to legitimize certain immigrants could lead to exclusion
