This is Deborah Roberts here with another weekly episode of our latest true crime series from ABC and ABC audio, Blood and Water.

Remember, you can get new episodes early by following Blood and Water on Apple Podcasts, Spotify, Amazon Music, or wherever you're listening right now.

Here's the next episode of Blood and Water.

At a crime scene, blood can tell the story.

When Lauren Prier was briefly allowed back into her parents' house on Drummond Avenue

to collect some of her things while the investigation continued,

the blood she saw offered a terrifying account of her mother's last moments.

She was running for her life.

My parents had a long hallway between the front door and our kitchen.

There was blood all over the hallway.

It looked like Leslie Prier had struggled against

an attacker all across the ground floor until she couldn't. They know she was killed by the front door.

There was like this, like her, the back of her head was smashed against the wall. And then there was

like blood stains down the wall.

I think she was just trying to escape.

When investigators started trying to piece together what had happened, they too followed the blood.

They sprayed a chemical called luminal all over the house.

It glows blue when it comes into contact with even the smallest amount of blood.

Thanks to the luminal, investigators now saw new clues, previously undetectable to the naked eye.

Big blue swoops and smears where someone had seemingly tried to clean up even more blood.

The luminal showed that Leslie was likely already dead when someone had dragged her body up the stairs and into the shower.

I had to walk through that. There was still luminal all over the hallway, all the way up the stairs,

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