The deadliest sniper of WWI was Francis Pegahmagabow, an Ojibwa soldier

In the bloodshed and chaos that is the battlefields of the First World War, hundreds of thousands of young Canadian men sign up to fight for their country overseas — but there's one who sticks out from the crowd. His bravery and fearlessness are legendary. His fellow soldiers call him Peggy.

http://www.cbc.ca/2017/canadathestoryofus/the-deadliest-sniper-of-wwi-was-francis-pegahmagabow-an-ojibwa-soldier-1.4083644