How many people are on medications that any of the shooters were on and do not go on a shooting rampage? Chances are its below a tenth of a percent that go bat shit crazy.
Next time you take an Advil let us know so we can gather up your guns, just to be on the safe side.
As discussed in the other thread Polis is also cosponsoring another bill that does nothing but hurt your 2A rights
https://www.govtrack.us/congress/bills/113/hr1565/text