Michigan Attorney General Bill Schuette addresses a news conference, Tuesday, Dec. 20, 2016 in Flint, Mich., where he charged two former State of Michigan Emergency Managers, Darnell Earley and Gerald Ambrose, with multiple 20-year felonies for their failure to protect the citizens of Flint from health hazards cased by contaminated drinking water. Schuette also charged Earley, Ambrose and Flint city employees Howard Croft and Daugherty Johnson with felony counts of false pretenses and conspiracy to commit false pretenses in the issuance of bonds to pay for a portion of the water project that led to the crisis. (AP Photo/Carlos Osorio)

Emergency managers charged over Flint’s lead-tainted water

A criminal investigation of Flint’s lead-contaminated water turned to former key officials at City Hall on Tuesday as Michigan’s attorney ge…