The criminal investigation into the Flint water crisis burst open in historic fashion on Thursday as Attorney General Dana Nessel’s Office detailed sweeping new indictments against former Gov. Rick Snyder, members of his inner circle and others for their roles in the environmental catastrophe.The charges include felony charges of obstruction of justice and extortion against Snyder’s former top aide, Richard Baird, and nine counts of involuntary manslaughter each against two former