Opening Door

A red STICKINESS, partly coagulated, on the hand of a child of five…
A BROWN STAIN carried to a hall carpet from a pool of blood under a dead woman in a park…
A three-cornered FRAGMENT torn from a photograph…
A GOLF BAG carried up fire escapes and over roofs in December…
A MORPHINE COCKTAIL which shows murder can be anybody's game…
A pair of practically new OXFORDS reposing in the brook…
A CHEST containing a handful of yellow CLOTH and pink STONES which Charlotte took from the bank the day before she died…
A DIRTY PINK BEAD for which Susan searched her house inch by inch…
An open CISTERN in a third-floor tank room beside which lies one white SLIPPER…
A TINY SHRED of GREEN STUFF, invisible to the naked eye....