Christine Heron was 15 years old in the spring of 1993 when she disappeared, and in over 30 years there has been no trace of her.

I did know before the night was over. She was dead, though.

A story of murder and heartbreak and investigative error.

He was 90% sure he was going to be convicted.

From CBC Podcasts, I'm David Rigen, and this is Someone Knows Something, Season 9, the Christine Herron case.

Available now.

This is a CBC podcast.

Hi there, I'm David Rigen. I'm the investigator and host of Someone Knows Something.

I want to tell you about someone named Christine Heron.

Chrissy was a book-loving teenager from Hanover, Ontario.

One afternoon in the spring of 1993, she said goodbye to her mother and left for school.

Chrissy was never seen again.

But in the aftermath of her disappearance, a suspect emerged, someone who I come face to face with.

The new season is available right now.

It's a story of murder and heartbreak and investigative error.

Here's the first episode, Chrissy. Have a listen.

I'm at another river. This one, flowing through a southwestern Ontario town, on a clear but darkening springtime evening.

I recorded these nature sounds well over a decade ago for a TV documentary, using the same microphone I now use for the podcast.

This thing always seems to be standing between me and the unknown,

somehow oddly comforting.

It's crouching at the riverside here in a park in Hanover, Ontario.

This is the Sogene River, which the mouth of the sogging actually empties out into Lake Huron. It's about 60 kilometers downstream, I think. The river's flowing clear, but there's lots of debris

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