all went well until two things happened, (1) Darworth fell for Marion Latimer, and (2) last July McDonnell was sent to get a line on Darworth's activities by the police, and discovered who `Joseph' was.
'It happened by accident; he stumbled on the 'mysterious lady' leaving Magnolia Cottage in her proper costume, and trailed her. What happened subsequently isn't very clear from what he told me, but I gather she used every one of her own tricks to shut his mouth. It seems McDonnell went on a holiday not long afterwards; and spent it with Mrs. Darworth at her villa in Nice.... Oh, yes. When the persuasive Glenda put herself out to be fascinating, by God, she was fascinating! Incidentally, while McDonnell was telling me this, he kept saying, 'How could you know how beautiful she is? You never saw her except in that make-up!' over and over again. Son, it was a bit o' real ghastliness to hear him pleading that, as though it were an excuse. He even rushed to a drawer and got out a lot of photographs, all the time he was tellin' about murder; and I was readin' between the lines....
'Do you know what I was readin' between the lines, and why good old Glenda took such pains to win him over so he'd do anything she liked? By that time she was beginning to realize Darworth's little game. Darworth purported to be bleeding the Benning circle, and handling the Plague Court matter for their mutual benefit; but Glenda knew all about the Latimer girl, so she determined to-'
'Beat him to the punch, eh?' said Halliday bitterly. 'Nice little girl. Ha. Just in case he tries to shove arsenic in her coffee, she'll return the compliment and collect two hundred thousand.... Good. Marion should hear all this. It'd please her to think----'
'No offense, old son,' said H. M. 'But that's about it. Oh, y'see, she pretended to believe Darworth when he told her all this; meantime, she was pourin' out a tale of suffering into McDonnell's ears. Darworth's dominating will had forced her to do all this: why? Because she was afraid of him, because he had murdered his first wife and she was afraid he might murder her-'
'And McDonnell believed all that?' snapped Halliday. 'Rot!'
'Are you sure,' said H.M. quietly, 'you haven't believed even rawer things in the last six months? Steady. Let me go on. Well, meantime, there was a real danger that Darworth might take it into his head to do just that: dispose of his second wife as he disposed of the first, by smothering her with a pillow and burying the remains. Glenda never could tell. Those two were playing a gentle, polite, murderous game against each other; and, if Marion Latimer had given Darworth more encouragement, he might have had a shot at it. That worried Glenda. She didn't want any hanky-panky until she could get her knife into him. Darworth never anticipated any physical attack from her; he thought the most she'd do was threaten to expose him.
'So, when Darworth got his idea of a ghost-attack at Plague Court, Glenda must have danced the saraband. `Mine enemy is delivered,' said Glenda, `into-' and the rest of it. Meantime, she twines herself round Darworth and says, 'You'd never want to hurt me, would you?' And Darworth, who had rosy visions of seein' her tucked away underground with a dose of cyanide in her stomach, pats her head and says, `Of course not.' `Good,' says Glenda, twistin' his coat-button lovingly; 'because if you did, sweetheart, it would be just too bad.'
''Come, come,' says Darworth gently; `refrain from such language, my dear. Forget that you were brought up in a circus, and that the only Shakespearean parts you ever understood were Doll Tearsheet and Petruchio's wife. Why so?' `Because,' says she, turning up those eyes of hers-and they're damn' attractive eyes-`there may be somebody besides myself who knows you killed Elsie Fenwick.... And if anything ever happens to me-?'
'You get the idea?' demanded H.M. 'She was going to scare Darworth properly, in case he should try any funny business. Probably he didn't believe her when she told him that, but he was worried. If somebody else did know it, down would come all his plans on La Latimer-excuse me, son - down would come everything; and if his confounded wife had been indiscreet, he might find himself had up on a murder charge over a dozen years old....'
'I say!' growled Major Featherton, who had been pulling hard at his mustache. 'Then at my house - at my house, blast it - she has this chap McDonnell slide that message into his papers? Eh?'
'You got it,' nodded H.M. 'At a place, dye see, where Joseph wasn't even present! Burn me, do you wonder he was scared green? Because it would seem that one of this very circle - one of these people his plans were directed at-knew all about him, and was sardonically chuckling! It must have hit him straight across the back of the neck: one of those devoted acolytes of his was as bland and dangerous a hypocrite as himself. His immediate reaction was, `I've got to put this Plague Court hoax through as quickly as I can.' Because why? Because somebody seemed out to queer his pitch, and he wanted to make his final smash to impress the Latimer girl; but, good God, which one of 'em had put that note in? Then he had time to reflect that there was a stranger, and it was probably the stranger ... yet, when he questioned Ted Latimer about McDonnell, he got only the reply that it was a harmless old school friend. He suspected, but what could he do? I needn't tell you that McDonnell's apparently accidental falling in with Ted, his wangling of an invitation to Featherton's, was no more an accident than Darworth's death....
'And he walked straight into the trap he'd created for himself, Darworth did. You know what happened. McDonnell swears he didn't know Glenda intended to kill him. He says she told him Darworth had promised her that, if she aided him in this last piece of fraud, he would let her go. And so, night before last, there's the delirious McDonnell waitin' in the yard - not needed, not in the plot, but just in case! And you know how he was needed: ayagh, didn't it give him a shock when he saw Masters there? You'll admit he thought fast; he had to account for his presence there - which wasn't natural - so he gave rather a distorted version of the truth. You remember how he was the one, as I told you, who insisted `Joseph' was only a pawn for Darworth?'
'But why say Joseph was a drug-addict?' demanded Halliday.
'Those, my lad, were his instructions from Glenda,' said H.M. dryly, 'in case anybody questioned him. He didn't understand 'em then-but he understood 'em later on....”
'His account of the thing to me tonight - I wish I could reproduce it. He tells how he was nearly at his wits' end to get Masters out of the room. He wanted to urge Glenda, now that the police were there, to abandon the crazy design of the fraudulent attack. She wouldn't. In fact - d'you remember, from what Masters said? - she nearly blew the gaff herself. While Masters was there, she had the nerve to go over and make sure the boards were loose on the window of the room where she and McDonnell had been put...:'
'The boards on the window?' interrupted Halliday.
'Sure. Have you forgotten that the wall round Plague Court runs within three feet of the windows in the house? And that they're high windows, from which a good jumper could get to the top of the wall with one swing? That was how she walked round to the back of the house without leaving a footprint; she went on top of the wall. And you know what she did. She left McDonnell there while Masters was prowlin' upstairs - the whole shooting would take only three or four minutes. She and Darworth had prepared the whole scene the night before; you, Halliday, blundered in on them in your travels, and I don't know how they played ghost on you, but it seems they succeeded....”
'Meantime, somebody meshed more gears, and caused trouble for us. Ted Latimer got up and sneaked out of the other room. What happened is probably this. Instead of goin' straight through the house - he could see your light, Ken, in the kitchen where you were lookin' over that manuscript - he thought he'd escape observation if he went outside and round the house. Well, he'd no sooner got out on the steps than it entered that queer brain of his that he might be funking his duty if he didn't walk straight through the evil influences of the house, and defy them. Yah! So he turns round and goes back through the hall; and he leaves the front door unlatched.
'Now, the probable fact is that Ken didn't hear him when he passed the door of the kitchen going towards the outside. And, no sooner had he got to the door at the rear of the house - the one givin' on the yard-then he saw ... well, what?
'We'll never know precisely that; the boy's dead, and Glenda never told McDonnell. It's most probable that he saw `Joseph', in the light of the fire in the window, climbing down from the roof on the window with the gun and silencer in his hand. A silencer, you know, isn't altogether silent; it makes a noise as though you cupped the palms of your hands and brought them together quickly. Now Ted was in a state to see evil spirits; he may even have tried to convince himself that that's what he did see; but it wouldn't quite wash....
'He'd keep quiet, and determine his line. But Glenda saw him in the doorway, and he was marked from that minute. She wasn't sure he'd seen her, but it must have l been a horrible moment.
'In the interval, what has happened? Masters is coming down from upstairs. When he first went up, the wind had moved the front door, and he had closed it on the latch. Well, down he comes again.... and sees the front door open as Ted had left it. Son, if he'd gone in the room where `Joseph' and McDonnell were supposed to have been sitting-well, it would've been all up. But he sees that open door and he charges out like a maniac: to find, of course,
