Some crimes are so heartbreaking or shocking that they change laws, change society or even earn the label Crime of the Century. But the stories that made headlines in decades past aren't necessarily remembered today.

I'm Amber Hunt, a journalist and author,

and in each episode of this show,

I'll examine a case that's maybe lesser known today

but was huge when it happened. This is crimes of the centuries. Roxy DeMarco de Marco sat in his bakery delivery truck in Camden, New Jersey expecting an uneventful morning delivering bread when he noticed a man approaching.

Then he noticed the man's gun.

I thought it was a holdup.

DeMarco would later tell reporters explaining, quote, I tumbled into the back of my truck among

the bread boxes. He fired one shot and thank God missed me. Then he started along 32nd Street toward River Road. There were two little children on the road. I jumped out, grabbed them, and shoved them into my truck." End quote. Now, a stranger grabbing children off the street and tossing them into his van might not

seem a typical act of heroism but in this case it might well have saved those children's lives

because while the man with a gun would later

claim he only targeted specific people with whom he'd had beefs, that simply wasn't the case.

Not everyone in his path this morning had crossed him. Several had never met him at all.

It happened at about 9.20 in the morning on September 6,

943. The gunman was a 28-year World War II veteran named Howard Unra.

His descriptors will sound a bit familiar to us today, 75 years and countless mass shootings later.

He was an angry young white man with a pension for guns

and a victim complex that seemed to stem from both real

and imagined bullying. But back in 1949 he was an anomaly, one of the

first of his kind in America. So when he began striding through his

neighborhood with a Luger,

P.O.8 semi-automatic pistol, no one had done a drill or

...