Saturday marks 12 years since Sandy Hook school massacre [Video]

NEWTOWN, Conn. (CNN) – Victims and survivors of the Sandy Hook Elementary School mass shooting are being remembered this Saturday.

A dozen years ago, on Dec. 14, 2012, a gunman killed six adults and 20 students at the Newton, Connecticut, elementary school.

The 20-year-old shooter killed his mother earlier in the day and committed suicide after the massacre.

Ahead of the anniversary, survivors and other gun violence victims traveled to Capitol Hill on Thursday to push Congress to pass new gun safety laws.

Since the tragedy, Connecticut schools have spent millions of dollars hardening security.

The Safer Communities Act was the first major gun law passed in two decades. It provided $300 million more dollars nationwide toward school safety.

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