The interview room reeks of the thinly veiled threat of Andrew Buckley’s anger. I pull out a chair and sit opposite him, as the DI settles next to me. ‘I’d like to talk to you about your son, Doctor Buckley.’

He folds his arms. ‘Is there any point? I’ve told you all there is to know about my son. His death has nothing to do with Hollie’s.’

‘You told us that it was Hollie who left Dylan.’

He frowns irritably. ‘What’s your point?’

‘James Hampton told us that Dylan broke it off with Hollie.’

‘He’ll say anything. You do realise that, don’t you? Hampton isn’t reliable. He never has been.’ Andrew Buckley speaks quickly.

I ignore him. ‘Your wife said Dylan wouldn’t have confided in you. So my question is, how are you so sure that’s what happened?’

‘You had to be there.’ He’s bluffing. ‘It was obvious. Elise will say anything. She’s—’

I interrupt. ‘Unreliable, Doctor Buckley? Like James Hampton and everyone else who doesn’t agree with you?’ As I watch him, he looks less sure of himself. ‘There’s also the letter.’

‘What letter?’ he snaps.

‘The letter Dylan wrote to Hollie, the day before he killed himself. Apparently, he told her she meant the world to him, but you told Dylan that unless they broke up, you planned to cause Hollie a lot of trouble.’

His face pales. ‘That’s ludicrous. Who told you this?’

‘It’s irrelevant where the letter came from. You’d found out about Hollie’s problems, Doctor Buckley, and used them to threaten her and Dylan. That’s correct, isn’t it? Or was there some other reason?’

His manner subtly changes. ‘I meant no harm. I was doing what I thought was for the best – for my family. Hollie wasn’t good for Dylan.’

‘So you keep saying. It would almost be believable that you cared if you hadn’t been overheard shouting at your son.’

His eyes narrow. ‘If you want to find out what really happened with Hollie, you’re talking to the wrong person, Detective Sergeant. I suggest you talk to my wife – I’m assuming you know where she is?’

He looks at me, as if expecting me to take him seriously, as the DI leans forward. ‘Let’s switch gears and talk about Mason’s business. As we speak, a search of your house is under way – which includes seizing your computer and anything else we deem necessary.’

Buckley’s eyes flash with fury. ‘You can’t do that. You have no grounds.’