Cheech Marin's Born in East L. A. is a Chicano take on "Latin America on Screen." Marin takes the questions of border permeability, national security, and identity's performativity, ironizes them, and attempts to milk what comedy results.
Marin plays Rudy, a fairly thoroughly deracinated Los Angelino (who speaks no Spanish and is completely ignorant of Latino music, for instance), who by one of those strange mix-ups finds himself taken to be an illegal and deported to Mexico. He then spends most of the film attempting to cross back over the border, hustling for money with which to pay a coyote, and falling in love with a beautiful young Salvadoran woman, Dolores.
And just as Rudy plays a German folk song (picked up as a GI in Europe) to seduce appreciative European tourists to part with their money, so he teaches a band of Mexican buskers to play rock and roll. Though Mexico may still (just) be a cradle of authenticity, it can also be a site for the experimentation in multiple identities and identifications, preparing the intrepid for the risky step of crossing the border and claiming all the same rights and benefits as those actually "born in East LA."