abaya:
romero definitely. the third link below includes a brief mention of how romero was mudered in 1980, while saying mass, by a rightwing paramilitarywhich was trained, armed and supported politically by the reagan administration.
here's a nice page full of links:
http://www.liberationtheology.org/
and a paper with some information about the actions, including base communities:
http://www.socinian.org/liberty.html
a bit of information on john paul 2 and the crushing of liberation theology in the name of retrograde politics, with the direct collusion of america's favorite reactionary, ronald reagan:
http://www.greenleft.org.au/2005/621/35060
it is a sad story.
if there is a bottom to my contempt for conservative christianity, i sure haven't found it yet.