Alleged Sandy Hook Copycat
Threatens to Target L.A.
Kindergarteners for Death

EXCLUSIVE
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The 24-year-old  man who threatened to commit Sandy Hook type crimes in L.A. claimed he was  hell-bent on leaving "dead kindergartners" in his wake ... yet he will not be  prosecuted.

Kyle Bangayan posted threats on Facebook the  same day as the Newtown shooting ... and claimed he was targeting L.A. schools  ... this according to a search warrant obtained by TMZ.

Kyle allegedly  wrote, "No really America, if you post one more Facebook post about the shooting  at that elementary school, I swear to whatever f**king god you believe in that I  will do the same goddamn thing."

The rant continues, "I have the guns, I  have the incentive, and I won't commit suicide at the end, I'll just go to the  next f**king school and the next and the next ..."

And he goes on ... "So  I woke up this morning and said to myself ... Dang you know [what] would be  really awesome right now ... some dead kindergarteners ... and Christmas early."

Kyle was arrested in L.A. after a tipster told the LAPD about the online  threats -- and when cops searched his bedroom (at his parents house) they found  six semi-auto handguns, two rifles and one shotgun.

Now for the  kicker.  Kyle was released and the L.A. County D.A. said no charges would  be filed, because the threats were not specific. 

A little  unsettling .... don't you think? -TMZ