What information would be more relevant to determines the time of death

Defecation ,respiratory failure , unresponsive and failure to resuscitate.

Hope it helps.

The determination of time of death is of crucial importance for forensic investigators, especially when they are gathering evidence that can support or deny the stated actions of suspects in a crime. The time elapsed from the moment of death until a corpse is discovered is also known as the postmortem interval, or PMI.