Slow Burn Media, Evergreen Podcasts, and Killer Podcasts, Presents Who Killed, a podcast that provides a voice for the voiceless.

Both were 65-year-old Stephen Chris, now in the Washington County Jail, indicted by a grand jury this week on two counts of second-degree murder.

He's accused of killing 18-year-old Peter Zito Jr. and 16-year-old Donald Bartron in 1974.

Both were found shot to death in Beaverton's Oak Hills neighborhood. Peter Zito's sister,

Barbara, is grateful for an arrest, she says, is long overdue. It's a difficult thing to deal with,

to have to accept that, you know, your brother can be murdered this way and there is nobody accountable for it.

Chris was suspected in the murders early on, but ballistics testing of a 22 caliber handgun he had

back then didn't match. Chris went on to join the Army and in 1976 used that same handgun to murder his commanding officer at Fort Lewis, Washington.

He served 12 years of a 35-year military sentence, eventually ending up back in Washington County.

The double murder case here got new life this year when Detective Mark Pavolny took another look.

While reviewing the case file, we decided to take a second look at the ballistic testing

since it had been done nearly 50 years ago.

Modern testing by the Bureau of Alcohol, Tobacco, and Firearms paid off,

and the Oregon State Police Crime Lab confirmed.

The gun used in the Fort Lewis murder was the same one used to kill the two local teenagers in 1974.

To date, this is the oldest known match nationwide the ATF has ever confirmed for a prosecutable case.

Washington County Sheriff Pat Garrett spoke at today's news conference.

I want to acknowledge the loss of your loved ones many years ago and what you've had to endure waiting for today.

And now that the day has come, Peter Zito's sister can't help but look back.

He's just a happy kid and

it was terrible when I heard that he was gone.

And this case is ongoing.

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