Dilma Rousseff

Ouster of Brazil lawmaker could open political Pandora's box

The ouster of once powerful lawmaker Eduardo Cunha poses a threat to other politicians, potentially including Brazil's new president.

Analysts said Tuesday it could lead to more people becoming ensnared in the corruption scandals roiling Latin America's largest nation.

Cunha no longer enjoys the partial immunity from prosecution that comes with elected office; only the country's highest court can decide to try federal lawmakers. That means the several corruption cases he faces will now go to a lower court judge who is famous for locking up prominent figures.

"Cunha has lost his Supreme Court cover so he may begin to sing in terms of a plea bargain to get a...