works; and it ain't exactly healthy for us to grill a family like the Greenes. They've got too much money and pull; they'd have had a whole battalion of high-class lawyers smearing us with suits and injunctions and God knows what. And if we'd just held 'em as material witnesses, they'd have got out in forty-eight hours on habeas-corpus actions.—Then, again, we might've planted a bunch of huskies in the house. But we couldn't keep a garrison there indefinitely, and the minute they'd have been called off, the dirty work would've begun.—Believe me, Inspector, we've been up against it good and plenty."
O'Brien grunted and tugged at his white cropped moustache.
"What the Sergeant says is perfectly true," Moran remarked. "Most of the ordinary methods of action and investigation have been denied us. We're obviously dealing with an inside family affair."
"Moreover," added Vance, "we're dealing with an extr'ordin'rily clever plot—something that has been thought out and planned down to the minutest detail, and elaborately covered up at every point. Everything has been staked—even life itself—on the outcome. Only a supreme hatred and an exalted hope could have inspired the crimes. And against such attributes, d' ye see, the ordin'ry means of prevention are utterly useless."
"A family affair!" repeated O'Brien heavily, who apparently was still pondering over Inspector Moran's statement. "It don't look to me as though there's much of the family left. I'd say, on the evidence, that some outsider was trying to wipe the
