‘It’s Bruno’s gun, all right,’ I said. ‘It doesn’t look like he even got his hand on it. I’d like to see that shirt please.’

Strunck glanced at his Reichskriminaldirektor for approval.

‘Let him see it, Inspector,’ said Nebe.

The shirt was from C & A, and heavily bloodstained around the stomach area and the right cuff, which seemed to confirm the general set-up.

‘It does look as though this was the man who murdered your partner, Herr Gunther,’ said Heydrich. ‘He came back here and, having changed his clothes, had a chance to reflect upon what he’d done. In a fit of remorse he hanged himself.’

‘It would seem so,’ I said, without much uncertainty. ‘But if you don’t mind, General Heydrich, I’d like to take a look round the place. On my own. Just to satisfy my curiosity about one or two things.’

‘Very well. Don’t be too long, will you?’

With Heydrich, Nebe and the police gone from the apartment, I took a closer look at Klaus Hering’s body. Apparently he had tied a length of electrical cord to the banister, slipped a noose over his head, and then simply stepped off the stair. But only an inspection of Hering’s hands, wrists and neck itself could tell me if that had really been what happened. There was something about the circumstances of his death, something I couldn’t quite put my finger on, that I found questionable. Not least was the fact that he had chosen to change his shirt before hanging himself.

I climbed over the banister on to a small shelf that was made by the top of the stairwell’s wall, and knelt down. Leaning forward, I had a good view of the suspension point behind Hering’s right ear. The level of tightening of the ligature is always higher and more vertical with a hanging than with a case of strangulation. But here there was a second and altogether more horizontal mark just below the noose which seemed to confirm my doubts. Before hanging himself, Klaus Hering had been strangled to death.

I checked that Hering’s shirt collar was the same size as the bloodstained shirt I had examined earlier. It was. Then I climbed back over the banister and stepped down a few stairs. Standing on tiptoe I reached up to examine his hands and wrists. Prising the right hand open I saw the dried blood and then a small shiny object, which seemed to be sticking into the palm. I pulled it out of Hering’s flesh and laid it carefully on to the flat of my hand. The pin was bent, probably from the pressure of Hering’s fist, and although encrusted with blood, the death’s-head motif was unmistakable. It was an SS cap badge.