Important details abt the path frmr Flint water crisis criminal investigators were on before the special prosecutor was ousted by Attorney General Nessel in 2019. I can independently confirm they built a felony involuntary manslaughter case against Snyder https://theintercept.com/2021/01/13/flint-michigan-rick-snyder-legionnaires/

This week Michigan's attorney general has filed misdemeanor charges against Gov. Snyder &others including Howard Croft who was charged w/a felony by the previous team. The investigation started over in 2019 after the AG fired the prosecutor appointed by her Republican predecessor

It's currently unclear why the map to the felony charges or cases against other individuals --which were handed over to the new investigative team during the transition that upended 3yrs of work--weren't followed by current criminal investigators, which have charged misdemeanors.