The police know, statistically, who did this (directly or indirectly). They just don't have the evidence to prove or show how. They know there is no further threat to the community and they are putting less than zero effort into the resolution, unless someone offers up evidence to fill in the...
Thanks for the tip on this documentary.
I watched the full episode here:
Who Killed the Lyon Sisters? | Who Killed the Lyon Sisters?
This answered a lot of questions which had been unanswered previously.
I would have left the Eric stuff out altogether. Force the defense to bring it up, then get the responders to say how difficult it was to hear her, how unclear it was on cross examination. But make the defense do that work.
I get frustrated watching the presentations by the prosecution.
The problem with this reporting is the responders said it sounded like "Hairc" and that she pronounced cold as "ooooo" and that it was garbled and difficult to understand. And when at least one asked, "Eric?" she said, "No."
She was hardly speaking clearly and several have said as much.