It's a Thunder rule: To work in OKC, you must learn about OKC and what the bombing meant to the city

OKLAHOMA CITY (AP) — Isaiah Hartenstein was born in 1998, three years after Oklahoma City changed forever.

It was April 19, 1995, when a truck bomb detonated outside a federal building in Oklahoma City, killing 168 people in the deadliest homegrown attack on U.S. soil. Hartenstein didn't know much about the bombing when he joined the Oklahoma City Thunder last year.

And then — like everyone else who wears the Thunder logo — he had to learn.

“I think it just helped me kind of understand what the city’s been through," Hartenstein said. "And from that, I learned how connective and supportive the city is.”

The Thunder didn't even exist in Oklahoma City when the bombing happened; the franchise that had been known as the Seattle SuperSonics didn't relocate to America's heartland until more