After the tragic Florida high school shooting - reality check on gun control - UPDATE

BASIC MATH.   If a criminal has 10 guns and you outlaw 8 of them, how many guns does a criminal have.
ANSWER:  Ten.
He's a criminal.
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The very, very cold reality.  There is actually NO WAY to end gun violence at this point in our history.  There's thought to be 300 million plus guns in our country and several billion rounds of ammo.

1] You say; "Let's confiscate all guns."

You won't, the criminal element will keep theirs.

2] How about tighter laws? 
Chicago has some of the tightest laws in the nation.  Their murder rate is atrocious.

3] Don't let people on psych meds purchase guns? 
I guarantee you know at least 3 people who are on anti-depressants or anti-anxiety meds.  Being on psych meds doesn't actually mean you are crazy or about to kill people.

4]  Train the kids not to shoot people?
     Hey, let's just outlaw sin.  Surely that will work.

Cold, harsh reality.  There will continue to be multiple murders in public environments.

UPDATE:

“If you can show me a law that will prevent the next mass killing, go ahead and sign me up for it.”   TREY GOWDY