culpable homicide 
noun [mass noun] Law
(In some jurisdictions, including Scotland, South Africa, and India) an act which has resulted in a person’s death but is held not to amount to murder.They must protect life by enacting criminal legislation which aims to punish individuals who deprive others of their right to life - i.e. murder, manslaughter, culpable homicide, etc....
- The jury convicted him of culpable homicide, rather than murder.
- Convictions generally carry lesser sentences than in manslaughter or culpable homicide cases in the UK.