267 Here I would stress that “it is impossible to imagine that states today have no other means than capital punishment to protect the lives of other people from the unjust aggressor”. Particularly serious in this regard are so-called extrajudicial or extralegal executions, which are “homicides deliberately committed by certain states and by their agents, often passed off as clashes with criminals or presented as the unintended consequences of the reasonable, necessary and proportionate use of force in applying the law”.
Source: Fratelli Tutti (Vatican.va)