A Better Help ad.

Lewis Capaldi partnered with Better Help to get word out about how important therapy can be.

I struggle most weeks to get up, get myself up and ready and go to therapy or whatever.

Even like to open the laptop to talk to, my therapist sometimes could be really difficult.

But I do it because I realise how important it is for me to continue to feel

good. Because I felt the best I've felt in a long time through therapy.

Learn more about online therapy at betterhelp.com.

A better help ad.

Lewis Capaldi partnered with BetterHelp to get word out about how important therapy can be.

I struggle most weeks to get up, get myself up and ready and go to therapy or whatever.

Even like to open the laptop to talk to, my therapist sometimes could be really difficult.

But I do it because I realise how important it is for me to continue to feel good.

I felt the best I've felt in a long time through therapy.

Learn more about online therapy at betterhelp.com.

This is Hidden Killers with Tony Bruske. Here now, Tony Bruske.

There's a reason the Coburger case keeps pulling us back in, even with the verdict in, even with him sitting behind bars

for the rest of his life. Because the closer you look, the more you realize how much we still

don't know. And maybe never will. The DNA on the knife sheet is the piece everyone points to.

The single clean link, the prosecution was prepared to carry into court.

But everything else, the missing clothing, the K-bar knife itself,

no digital trail connecting him directly to the victims.

The kind of things you expect to find it in investigation like this?

...