Scaurus shrugged without interest.

‘It’s immaterial, First Spear. He could be as pure as a novice priestess and that would change nothing. My question wasn’t about his widely accepted guilt, I want to know why he’s here.’

Frontinius nodded.

‘Very well. In the first place it was my prefect, Septimius Equitius, who made the request of me, and he is a man whose judgement I had learned to trust during his time in command here. He owed a debt of honour to Sollemnis, the former legatus of Sixth Victorious. The legatus was the boy’s real father, and this was the way in which he was being asked to discharge that debt. And don’t mistake this for an attempt to shift the blame to Legatus Equitius. If there’s a hammer and nails in my future then I’ll do my own dying. However protracted the agony might be I can only cross the river once. All I’m trying to say is that there was a man’s honour involved in the decision.’

He paused for a moment, picking his next line of attack.

‘There was benefit to the cohort too. I exacted a price for Corvus’s acceptance from Legatus Sollemnis in addition to the large sum of money that he contributed to the burial fund. Corvus was accompanied here by a legion centurion not long retired, a legion cohort’s first spear, in fact, and I made his service here for a year part of the bargain.’ He chuckled darkly, unable to resist the humour in his memory of Tiberius Rufius’s smug smile once he had a vine stick back in his hand. ‘Turns out the man would have killed with his bare hands for the chance to bellow his lungs out at a century one more time…