Thomas Mair visited an alternative therapist to arrange healing for anxiety and stress the night before he murdered MP Jo Cox, ITV News can reveal.
Far-right obsessed loner Mair visited the Birstall Wellbeing Centre in his home town on the evening of June 15 to ask for advice on how to control his mental health.
Centre manager Rebecca Walker told how Mair arranged to return the next day for further talks after hearing the range of alternative therapy treatments offered by the centre.
But instead he carried out his plan to murder Labour MP Jo in the street as she arrived for a constituency surgery at the local library.
Rebecca said: "Every Wednesday we have a demonstration with a different speaker.
"During the evening I had come and opened up as normal. I was upstairs.
"About 6.30pm one of the girls came and brought me downstairs as a gentleman had come in to ask about alternative therapies that we offer at the centre and something had drawn him in.
"The gentleman was very polite, he was casually dressed and quite tall. You could see that he was a little bit of a loner but he had had alternative therapies in the past - he had had reflexology and meditation classes.
"As I was talking to him, I was going through the therapies that we offer, to which he said that he found it really beneficial for stress and anxiety and to help him cope on a day to day basis."
Rebecca, who runs the spiritual healing centre in Batley, West Yorkshire, recalled how Mair appeared stressed during their conversation - which happened as other clients arrived for a yoga class.
"You could see in his mannerisms that he was quite unsure and he didn't want to be there.
"We arranged for him to come back on the Thursday so we could have a cup of tea and go through the alternative therapies we could offer him."
She added: "I was upset that I wasn't able to give him the one to one time that he needed that night but he was quite happy to come back the following morning."
"On the Thursday I was hearing waiting for him to turn up but he never did.
"It wasn't until later in the afternoon that I saw a picture of him and the shock really took its toll.
"I was upset. There was a massive, massive sense of disbelief and shock."
Rebecca said she believed it was possible Mair had visited her centre to try to find a way to find forgiveness for what he planned to do the following day.
She said: "I was really upset that I had not had the time.. of course, you go through all the what-ifs - should I have done something more for him? Had I not recognised something in terms of mannerism?
"It's only when you go through all those different processes that you realise, no I couldn't haven't done anything to help. There is something there, he has gone down a different pathway."
Rebecca added: "Seeing what he has done, I don't think it could ever have been a cry for help but maybe on the forgiveness side - we'll never know. I suppose only Tommy Mair could tell us that."
Mair suffered from mental health issues for much of his life and had volunteered with a mental health charity near his home in Birstall.
But details of his health records were ruled inadmissible at his trial after the judge ruled his mental health was not relevant to the murder of Jo Cox.
Instead, the jury heard how Mair had targeted the mother of two deliberately as part of a plot amid anger over her political views.
Mair's trial was dealt with under terrorism protocols by the court.