We've been down this road before with politicians promising to enforce the law in return for amnesty.

CNN: 'Now's the time' to move on immigration, Obama says

Prior to the 1986 Amnesty, Mejia wanted to return to Mexico and wired money to build a house in Oaxaca, in southwestern Mexico.

NPR: In Prior Overhaul, Legalized Farmworkers Prospered

Comrade Artemio, the last remaining leader of the group which terrorised Peruvians in the 1980s and '90s, said he was prepared to call a truce with the government of Peru in return for a political settlement and a general amnesty.

BBC: NEWS | Americas | Shining Path leader offers truce