When were Flint's water problems discovered?

Posted at 5:39 PM, Dec 22, 2015
and last updated 2021-01-14 14:30:59-05

New details are emerging in the Flint Water Crisis as a university professor is saying the state health department knew all about the problems - before they were made public.

7 Action News Reporter Tara Edwards has the latest developments in the video player above.