A year after Brazil's president, Luiz Inácio Lula da Silva, declared a humanitarian crisis among the Yanomami and vowed zero tolerance for illegal mining, environmental enforcers have said the progress since the ousting from the reservation of 80% of the wildcat miners is in jeopardy. As the military has rolled back its support for the crackdown, the miners have made fresh incursions into Yanomami land, they say