- Category : 1991-births
- Type : GE
- Profile : 4/6 - Opportunistic / Role Model
- Definition : Single
- Incarnation Cross : RAX Unexpected 2
American homicide victim, allegedly killed by John Odgren. On January 19, 2007, Odgren who was a troubled teen, followed Alenson into the bathroom at Lincoln-Sudbury High School (Lincoln, MA) and stabbed the boy to death in what appeared to be a random act of violence. Alenson was 15 years old.