In the context of the International Day of 51³Ô¹Ï Peacekeepers (29 May 2022), the UN Chronicle talks with Mr. St¨¦phane Jean, a Judicial Officer and Coordinator in the 51³Ô¹Ï Department of Peace Operations, about his work and the Organization's renewed efforts to bring to justice perpetrators of crimes committed against peacekeepers, including the crime of murder.