Hargreaves told me that Miss Davis had specifically warned her against taking the blue mug of cocoa, claiming that it had extra sugar in it as a special treat for Mrs Davenport. Mrs Hargreaves went on to say that when she tasted the cocoa in Mrs Davenport’s room later she found that it had a bitter taste with a, quote, sort of chemical edge to it, unquote, and that she slept exceptionally long and soundly that night.’
‘I hope you’ll forgive my saying so, Inspector, but…’
‘The implications are quite dear. The cocoa intended for Mrs Davenport had in fact been dosed with crushed sleeping tablets, and since Miss Davis warned Mrs Hargreaves against taking it, she must have been a party to this. Everything else then falls into place. The morphine syrup was adulterated with blue curacao, one of Miss Davis’s favourite drinks. Once Mrs Davenport was unconscious, Purvey’s missing syringe-which he saw Miss Davis take from his room-was used to inject the lethal dose of morphine. You discovered the body very early next morning and raised the alarm, and Mr Channing overheard the Andersons’ panic as they struggled to set the scene of the supposed suicide before my officers arrived.’
‘I feel that the real problem, Inspector, is that you…’
‘But the credibility of that entire scenario depends on the crucial fact of Mrs Hargreaves’s testimony, which she has now withdrawn! According to what she’s just told me and Tomkins, she took her usual mug that evening. As for Mrs Davenport’s cocoa, she has no idea what it may or may not have tasted like because she didn’t try it, and she slept neither better nor worse than usual. In other words, the whole episode was fiction from beginning to end.’
Jarvis wagged his forefinger under Rosemary’s nose.
‘And you were the author! She told me that you put her up to it!’
Rosemary gave him a pitying look.
‘You can’t believe everything a suspect tells you, you know.’
‘Mrs Hargreaves is not a bloody suspect!’ Jarvis retorted.
Rosemary nodded earnestly.
‘That is precisely the problem. As I’ve tried to point out to you on several occasions, your approach to this case has been flawed from the start. You arrived here convinced that Dorothy committed suicide, and it was only with the greatest difficulty that I was able to persuade you otherwise. You then abandoned that error only to rush headlong into another, and assume that the Andersons were the guilty parties. This blinkered approach not only prevented you from examining the case in the open-minded and impartial manner befitting a detective, but has also made it possible for the person really responsible to manipulate the situation to his-or her-advantage.’
Jarvis regarded her with mingled suspicion and curiosity.
‘Meaning what?’ he demanded.
‘Has it really not occurred to you that there might be another explanation for Mrs Hargreaves telling you a story which she now admits was untrue?’
‘You mean…’ groped Jarvis.
‘I mean, my dear Inspector, that it was intended to divert suspicion from herself!’
Jarvis looked utterly baffled.
‘But I don’t suspect her! I’ve never suspected her for a single moment!’
Rosemary sighed.
‘I believe you,’ she said in a kindly tone. ‘But to those who know you less well, like Mavis Hargreaves, such naivety would have seemed almost impossible to credit from someone in your position. She would therefore have concluded that you were in fact playing a very deep game, pretending to suspect the Andersons in order to put the rest of us off our guard, and sought to cover her tracks by inventing the episode of Miss Davis and the cocoa, whose authorship she now attributes to me.’
She gave him a wry smile.
‘And you must admit, Inspector, it worked a treat!’
Jarvis looked longingly at the police car. His colleague lay spread-eagled on the bonnet, soaking up the sunshine, his foot wagging in time to some inaudible music.
‘How did you know Tomkins was from the island?’ he asked.
‘My mother was from the New Forest, but I was raised in Ryde,’ Rosemary explained. The children at school used to call me a foreigner, because I was born on the mainland. I can still hear their mocking voices. The accent is unmistakable.’
‘Ryde,’ mused Jarvis.
He smiled. ‘Remember the Beatles? Okay, I used to think, so she’s got a ticket to Ryde. Why should that mean she doesn’t care?’
‘It’s not just the islanders,’ said Rosemary. ‘People in general can be very heartless.’
Jarvis gazed into the distance, lost in thought.
‘As for the beetles,’ Rosemary went on, ‘I certainly do remember them. But I’m glad to say that we’re no longer troubled by them since the council fumigated the rooms.’
‘That was when I first started to take you seriously,’ Jarvis muttered almost inaudibly. ‘If she’s on to Tomkins, I thought, she can’t be as far gone as this Anderson is trying to make out.’
He considered the grass at his feet for some time.
‘Just the same,’ he resumed, ‘I don’t think much of this Hargreaves angle. Apart from anything else, she doesn’t have a motive.’
‘I wouldn’t be so sure, Inspector. Shortly before her death, Dorothy asked to see a solicitor with a view to changing her will. The Andersons believed that the alteration was in their favour, but I think that very unlikely. Hilary Bryant made the mistake of thinking that the prospect of the inheritance might soften the Andersons’ hearts, but they were if anything even more beastly to her afterwards. With that example before her, I can’t imagine that Dorothy would have allowed herself to be swayed, particularly since she knew it was likely she would have to go into hospital anyway. On the other hand, what more likely, under those circumstances, that she should have wished to settle her affairs, and that she should have decided that her close friend Mavis Hargreaves was a more suitable beneficiary than her apparently ungrateful and neglectful relatives?’
A dreamy smile spread across Jarvis’s face.
‘Of course!’ he breathed. ‘Why didn’t I see it before? The solution’s been staring me in the face all along!’
He looked keenly at Rosemary.
‘We were quite excited about that aspect of the case for a few days there, but we rather lost interest when it transpired that Mrs Davenport had in fact instructed the solicitor to make over her estate to Miss Rosemary Travis.’
Rosemary sprang to her feet.
‘No!’ she broke out hoarsely. ‘It’s not true!’
Jarvis gave a smile of triumph.
‘You’ve played a very clever game, Miss Travis, and you nearly got away with it. Yes, Mrs Hargreaves’s tale about the cocoa was indeed intended to deceive us, but she didn’t dream it up. Mavis Hargreaves isn’t a detective story addict any more than she was Dorothy Davenport’s close friend. You, on the other hand, are both!’
He thrust an accusing finger at her.
‘Who had a better opportunity to poison the morphine syrup than the person who went to Mrs Davenport’s room to fetch it just a few hours before her death?
The only fingerprints found on the bottle, apart from those of the deceased, were yours, Miss Travis! Your sleeping tablets were used to adulterate the cocoa, and you admit spending a considerable time alone with the victim after everyone else had left and the lights had been turned off. Your room is directly opposite that of Mr Purvey, whose door is always open. He assumed that the woman he saw taking his syringe was Miss Davis, because of the smell of alcohol, but it could equally well have been the person who had just entered Anderson’s office and removed a quantity of blue curagao!’
He stepped forward and gripped Rosemary’s arm.
‘I’m going to have to ask you to accompany me to headquarters, Miss Travis, and it’s my duty to inform you that anything you say will be taken down and may be used in evidence against you.’
