Here, Ian Johnston reveals how he soon discovered that hell hath no fury like a woman scorned…

I’d been out for drinks and dinner and I got a phone call from Lancashire Constabulary, asking if I knew where Sadie was, as she hadn’t responded to her phone. But this came as no surprise to me. The phone wasn’t important to her. She’d leave it at the stables, in her car, let the battery go flat. The fact that somebody felt they ought to contact the police obviously set alarm bells ringing.

Shortly after that, I got a phone call from Sadie’s business partner, Julie, and my daughter.

Sadie was due to go for dinner with her son that night. He was going to take her to the airport the following day.

That was Friday night and she was murdered on Thursday night, which we didn’t know at that point.

I was in the bathroom on Saturday morning and got a phone call from a detective in Lancashire and she told me (Sadie was dead). It was just the worst news. (Flying back from Switzerland) I landed at Manchester to be met by my brother, my daughter and another mate.

I was informed then it was murder.

I was distraught. I couldn’t process it.

I met Dave and Lisa, my police family liaison guys. We went through a number of scenarios.

I didn’t suspect it was Sarah Williams for one minute.

It was 12 hours after I arrived home that Sarah Williams was arrested. The two detectives informed me that Sarah had been arrested and asked how did I feel and I remember saying, ‘shocked and stunned.’ If I’d never met Sarah Williams, she wouldn’t have gone ahead and murdered Sadie. I absolutely wish I’d never, ever met her.

Sarah Williams came across as nothing more than a keen skier who wanted to improve. She was engaging, she was young. I didn’t for one minute have any inkling at all that any of this was being planned.

The contact (between us) was only in terms of the odd text through 2015.

We had a row on the doorstep, where I threw her out of the house.

I’ve never been in her company since. That was in 2014.

She planned this (Sadie’s murder) for 18 months.

I feel the abject horror of what’s happened and the consequences of me meeting her. I just will regret that forever.

I’m absolutely and utterly appalled at her (Williams’) lack of emotion while she gave evidence in front of Sadie’s children, Harry and Charlotte, and brothers and family. It’s just so senseless. Everybody I know has lost something here.

I loved her (Sadie) for all the right reasons. The type of love that comes with being nearly 60.

We had reached that point in life and it was just taking me a while to understand that.

Sadie was a fantastic mother.

I’ve been told there was nothing I could do to stop this

She was kind, she was generous. Fun loving. She was bold in business and decision making.

I think the pair of them (Williams and Walsh) are absolute bottom drawer, as worse as you can get, cowards.

Iõve been told there was nothing I could have done to foresee or stop this.

I keep seeing a mountain through the clouds, with snow on it and itõs got my boot prints in it.

Thatõs where IÕM heading next if I can.