Killed by Science

Killed By Science is a downloadable content mission set to appear in Assassin's Creed: Unity.

Official synopsis
''A dead body has been found near the mini-cannon located in the Palais Royal. The only witness is his grilfriend who was supposed to meet him at noon in front of the mini-cannon. Solve the crime and discover how the man died.''

Reference

 * Major Assassin's Creed Fans facebook page.