'But near to the knuckle, here and now, his bloody life in my bloody hands'?
Use of discordance highlights the disruption in his mind
'his bloody life in my bloody hands' - literacy allusion to Macbeth suggest the looters life is as important as a king and the consequences of murdering him will be as tragic as it was in the play.
Personal pronoun suggests the soldier sees himself as a murderer which contrasts the collective pronouns used at the beginning of poem