Interpretation of Dinesen's The Blue Jar

Plot Summary
The death of a samurai named Kanzawa no Takehiko and the rape and disappearance of his young wife, Masago, is being investigated. Four slightly different testimonies are given to a high ranking police commissioner by a woodcutter, a Buddhist priest, a policeman and an old woman. Also, three confessions are given, one by the thief Tajomaru, the raped wife and the dead man through a medium. Each confession is contradictory to the others since all claim to have been the one to have killed Takehiko.
Conclusion
The location of the murder is agreed upon by all involved parties. The sequence of events is also agreed upon by all involved (as shown below). However, the murderer is yet to be dis...