Hey, consider this listeners. It's Elsa Chang.

Over the past few weekends, we've been bringing you a new podcast series from NPR and KQED.

It's called On Our Watch.

It's all about what happens after a police officer is accused of doing something they shouldn't have,

whether we're talking about allegations of assault or sexual harassment or the internal discipline process inside police departments,

which the public usually never sees.

That is, until now.

This is episode four in the series. It's called Perceived Threat.

If you'd like to start from the very beginning of the series, you can find On Our Watch in your favorite podcast app.

Hosuki Lewis will take it from here.

This podcast deals with policing and people affected by it.

It contains explicit content and descriptions of violence.

It was a rainy day in Stockton, California, when a woman pulled into a gas station with her two kids.

Well, I was in the store trying to buy some candy from my little sister.

While mom fills up the tank, her 16-year-old son, Joseph Green, pays at the counter.

He's got a dollar bill left over, so he tries to buy his little sister some gummy worms.

And my dollar was partially ripped, right?

Also, making a pit stop at the gas station that day was a Stockton police officer, Robert Johnson III.

Do you remember the incident? I do.

It was February 17, 2011, and Officer Johnson and his partner were just finishing their shift on the gang suppression unit.

They stopped to get something to drink at the same store, the California stop.

Detective Wong and I were there. We went to get a bottle of water.

...