shall not be infringed" is a very simple statement. It's just too bad that more people can't understand plain English
There are many many direct quotes made by our founding Fathers that reference the 2nd amendment as it refers to the "law abiding man". It is not unreasonable to believe that our founding Fathers accepted that certain restrictions can, should or would be imposed against the "non- law abiding". They made that pretty clear when mentioning things like "shall not be construed to prohibit the law abiding man. etc...etc..etc.