Here is a speaker looking hard at the weight of an irreversible act. The poem opens with a plain rule: once a crime is finished, there is no undoing it. The past is closed off, and the present is where you're stuck. The image of stained fingers makes the guilt physical, a constant reminder, and the line about "all the blood in the world" suggests that no amount of scrubbing or regret can reverse what happened.
The tone is cold and accusatory. Short, clipped lines with commas breaking them up make it feel like a verdict being read out. The speaker seems to address "you," insisting that these are your actions and you must look at them. The ending is the most unsettling part: dirt settling on "her memories" hints that a woman has died or been erased, and walking past is "a sight to believe." The poem leaves a mood of dread, consequence and grim, unavoidable accountability.