Deranged Killer Targets Guards is a newspaper article found in Dishonored 2.
Transcript
A mysterious killer has been targeting the Grand Serkonan Guard throughout Karnaca, resulting in a significant number of deaths. Some speculate the crimes to be the work of the notorious Crown Killer, but while authorities have not ruled out the possibility, they warn against leaping to conclusions, saying that many of the usual hallmarks of the Crown Killer murders are notably absent from these latest crime scenes. Others fear it is another deranged individual, seeking revenge for some grievance against the Grand Guard.
Until the culprit is apprehended, the Duke's military advisors have recommended that all Grand Guard personnel double their squad sizes, and have asked that loyal citizens be on the lookout for this dangerous miscreant.
Location
It can be found on a chest of drawers immediately to the right of the door after passing the wall of light in the Palace District during the mission The Grand Palace, provided that Emily Kaldwin or Corvo Attano have achieved a high chaos rating.