No arrests, no outstanding suspect in shootings that killed woman, 3 children
http://www.mlive.com/news/grand-rapids/2019/02/no-arrests-no-outstanding-suspect-in-shootings-that-killed-woman-3-children.html
...they don't know anything or they do know something and are playing it close to the vest. Might be they don't want to scare the perp and then have to chase him down. Rather just pounce on his ass.

Liberals are like a "Slinky". Totally useless, but somehow ya can't help but smile when you see one tumble down a flight of stairs!