the government arrested some 130,000 people in a three-year period; the dead and disappeared numbered thousands in the first months of the military government. those include the british physician sheila cassidy, who survived to publicize to the uk the human rights violations in chile. among those detained was alberto bachelet (father of future chilean president michelle bachelet), an air force official; he was tortured and died on 12 march 1974, the right-wing newspaper, "el mercurio", reported that mr bachelet died after a basketball game, citing his poor cardiac health. michelle bachelet and her mother were imprisoned and tortured in the villa grimaldi detention and torture centre on 10 january 1975.