Postmortem
Postmortem /ˌpəʊstˈmɔ:təm/ (noun)
an examination of a corpse or dead body to investigate what has been the cause of death, autopsy, postmortem examination, medical examination, an investigation into the cause of failure in an unsuccessful task or project, analysis, inquest:
Forensic experts and medical doctors are performing a postmortem examination on the corpse to uncover the mysteries of the murder.
People can make progress if and only if they conduct postmortems on any condition in which they have barked up the wrong tree.