He is immune under the Chilean constitution. Again, the constitution is a straitjacket for everybody. Political parties are regulated. Unions are regulated and it has nothing to do with democracy as the people would relate to it. The claim of democracy is designed for Pinochet and by him and his supporters to protect him and those who are favoured by the economic model to carry on without opposition.
Chile has a level of extreme poverty that is far worse than other countries in Latin America.
Even the official press of the right wing in Chile say that these conditions exist, and the levels of extreme poverty are of great concern to everybody. The average income is quite high, but that does not mean Chilean workers are doing well in terms of wages and quality of life. The 'miracle' and economic success are only for a minority, as is always the case. So if you look at economic indicators, it is amazing what Chile has done, but they never refer to the social cost. They never refer to what Pinochet did.