Justin Paget/Getty Images(NEW YORK) -- In the more than two weeks since a mass shooting in Lewiston, Maine, occurred at a bowling alley and local bar and restaurant, questions have swirled about mental health care in the state. The alleged gunman displayed glaring signals that his mental health was declining, which his family was aware of and had warned law enforcement about, according to documents obtained by ABC News. It's unknown why he was not taken into protective custody and then evaluated by a medical professional, but mental health experts and advocates told ABC News that, separately f...