so in this clip from your documentary "hard to swallow," curt guyette, you talk to howard croft, flint's director of public utilities, and present them with a copy of earley's letter after croft tries to -- tried to explain why the city switched to the flint river for its water. >> talking about detroit that had over one million nose of infrastructure costs coming that we could see and we were kicked off their system. >> letter from darnell earley saying the city of flint has decided not to return -- not to continue using detroit water. correct? is that correct? >> i think the valuation has gone up to be state level on what were the best -- what the best course of action would be, now is the determination. >> all the way to the governor's office? >> all the way to the governor's office. amy: you are confronting howard croft, indicted yesterday, from your documentary called "hard to swallow." the significance of what he said, curt guyette? >> well, you know, according to croft, the decision to use the river ultimately came out of the governor's office. that has been the only indication so

amy: you are confronting howard croft, indicted yesterday, from your documentary called "hard to swallow." the significance of what he said, curt guyette? >> well, you know, according to croft, the decision to use the river ultimately came out of the governor's office. that has been the only indication so far that that was the case. general said at his news conference yesterday, the investigation is continuing and it is broadening and going higher. so we will just have to wait and see where the investigation lead. but i do know when i asked the governor's former spokeswoman about the decision to use the river, she also lied and said -- amy: and her name is? >> sarah were full. at the time she was the governor spokesperson. she also said that flint was kicked off of the detroit system. she did not give an honest answer when presented with the question of what the governor's role in making the decision to use the river was. amy: isn't true when ambrose left as emerergencyy manager, he said one rule must remain in place, that flint remain attached to the flint river, the corrosive river, fo

one of the other people is charged howard croft. he worked at the department of public works. he may end up having a very interesting role to play on the witness stand in this case, he's on record, on tape, telling the aclu of michigan the decision about flint's water, they weren't made by the emergency managers operating independently and making up this stuff on their own. he says he was the director of public work. he says he knows those decisions about flint's water were made even higher upch way higher up. >> i think the valuation has gone up aim way to the state level. what would the person be for the city of flint. that was the determination. >> all the what i to the governor's office? >> all what i to the governor's office. >> that man is now facing 40 years in prison. he says decision came from the governor's office. is the governor going to get criminally charged in this case? we do not know. in announcing these charges, there was no indication that the investigation was done. >> i think today you see once again the investigation has continued to go up and to go out.

also facing charges, including conspiracy, flint's former public works director howard croft and formertilities director daughtry johnson. >> flint conserves better. >> reporter: in 2013, earlyey and ambrose appointed by the governor to address flint's troubled finances. to save money they stopped buying water from detroit and planned a new pipeline to get water directly from lake huron. in the interim they switched flint's water sewers to the nearby flint river where the water was to corrosive and caused lead from old pipes to leech into into the walker supplies. >> there is a fixation on balance and balance sheets. this has cost lifves. >> reporter: he said they the flint river was unsafe. darnell earlyey spoke with adriana diaz in march. >> in hindsight i wish i had done more and wish everybody had done more but hindsight is 20/20. >> reporter: state officials were not -- that is something many people in flint, like melissa mays oppose. >> these people should go to jail and their rights taken away like we did. under the emergency managers we had no rights, we had no say. >> reporter:

also facing charges, including conspiracy, flint's former public works director howard croft, and former utilities director dougherty johnson. >> flint deserves better. the people of flint are not expendable. >> in 2013, earley and ambrose were poirnted as emergency managers to address flint's troubled finances. to save money they stopped buying water from detroit and planned a new pipeline to give water directly from lake huron. in the interim they switched flint's water source to the nearby flint river where the water was so corrosive it caused lead from old pipes to leech into the water supply. >> during the course of this investigation there's been a fixation on finances and balance sheets. this fixation has cost lives. >> reporter: schuette alleges officials defrauded tens of millions of borrowed state dollars for the project and ignored warnings that the water from the flint river was unsafe. when you look at the documents -- darnell earley spoke with cbs news correspondent adriana diaz in march. >> in behind sight i wish that i had done more. i wish that i had done more. hindsight