Thursday’s mass shooting on a college campus in Oregon came just weeks after the state recently tightened restrictions on gun purchases.
A law that went into effect on Aug. 9 requires background checks for transactions made between individuals and online. Previously, checks were mandatory only for people seeking to buy a gun from a federally licensed dealer — at a gun store or gun show.
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It is not clear where or when the shooter in Thursday’s attack obtained his weapon nor whether the new law would have had any impact.
Gun-control advocates said the new measure would prevent criminals and the mentally ill from buying guns.








