We’d clicked over a mutual dislike of geography and Kylie Minogue, and we’d stayed friends since. We didn’t live in each other’s pockets, but we were there for each other through everything life threw at us. When Julie had postnatal depression, when Clare’s marriage had crumbled just days before her third wedding anniversary and when I’d fallen to pieces after the death of my mother. The girls had held me up, literally at one stage, as grief took the legs out from under me and I’d fainted. They’d welcomed the steady stream of mourners to our home, directed them to where my mother’s body lay so that they could pay their respects and then offered a cup of tea afterwards. They’d made sure everything ran smoothly, while I’d sat, ashen-faced and bowed with grief, by the side of the coffin, unwilling to move – struggling to let go of my beloved mother.

How could it be that Clare was gone now? That her body had been found by the side of a road? The police weren’t saying murder yet and I hoped, perhaps naively, that it wasn’t murder. That it was an accident. Although I couldn’t think of any possible excuse for her being on that road, alone in the early hours of the morning.

I didn’t know how she’d died. Didn’t know when she’d died. All manner of horrors kept dancing through my head until I couldn’t hold in my pain and my fear any more. I simply lifted my bag, left my Year 12s open-mouthed and walked out of the classroom midway through a discussion on the book Of Mice and Men.

I walked to the head’s office, my legs shaking – the grief hitting me from the ground upwards, weakening me, diminishing me.

‘You’ll have to send someone to deal with my Year 12s,’ I muttered. ‘I’ve got to go home. I’ve had bad news.’

Sheila, my deputy head, looked me up and down. ‘Are you okay, Rachel?’

I didn’t trust myself to speak. I didn’t want to say the words. It was so completely, utterly, surreal. You never expect to have to say those words to anyone. Those are words for TV shows and movies, not for school offices on sunny June days as the school secretary eats an ice cream and talks about her forthcoming holiday.

I just shook my head as a surge of something powerful, painful and overwhelming rose up inside me. She was dead. My friend. I’d be sitting by her coffin next. And if Mr McCallion was right, it was a ‘gruesome murder’.

The shock rose up inside me until I had to run from the room to the staff toilets and throw up until I could barely breathe.