No, suspending further importation of Muslims would be a good place to start.
Muslim control would be far more effective than gun control in preventing Sudden Jihad Syndrome, which this appears to be.
Following the example of their prophet and his instructions in their book.
Submit, convert or die are the choices given infidels in Islam. There is no coexistence possible. They are obligated by their religion to wage jihad on the rest of the world until we submit.