Yes the laws on the books.The Gun isn't a problem at all, period.
The Problem is that the US has tolerated a perverse species of reasoning that openly rejects God, God's law, and the objective reason that recognizes such.
Bullshit. The Constitution guarantees freedom of religion and that also means freedom from religion.
The problem is a lack of willingness on the part of politicians to try and regulate the out-of-control weapons traffic in this supposedly enlightened society.
What law would have saved those people?
In fact, is there a law to prevent this from happening?