Yes - covered in PA interview.
Extract from transcript:
Paul - I know, I know and that's another layer of frustration and hell to it. It's a hellish situation with the layer of hell that not knowing what's happened, yet, and then also having Willow who probably does know what happened, but she can't tell is, can she? She's a very sensitive dog. I did take her back there first thing on the Saturday.
Walker - The next day?
Paul - The next day, yeah I took her back there first thing.
Walker - How did she react to that then?
Paul - Well obviously I was praying and hoping that once we got to the gate that she would do something different.
Walker - Take you somewhere?
Paul - Yeah, yeah, just give some sign of some kind, but she.. bless her, she just went through the gate like any other normal day and ran into the field and looked at me excited that she was there for a walk. I was saying to her 'where's mummy, where's mummy'. She was just looking at me like, you know, 'let's go for a walk'.
Transcript here:
UK - UK - Nicola Bulley Last Seen Walking Dog Near River - St Michaels on Wyre (Lancashire) #10