Jeffrey James Weise was a high school student of Red Lake, Minnesota, United States who perpetrated a shooting spree on March 21, 2005 that left ten people dead; comprising of his grandfather and grandfather's girlfriend at his home, and five students, an unarmed security guard, a teacher, and himself at Red Lake High School. 15 others were injured in the shooting.

He left many postings across the Internet on websites such as nazi.org, offering public insight into his thoughts and the hardships in his life that led to his depression and fascination with dark imagery in the months and years prior to the shooting.