Henry Semple
Name Henry Semple
Occupation Student
Pathology Mass murderer
School shooter
Family Bill Semple (father)
Patricia Semple (mother)
Unnamed sister
Status Imprisoned
Actor Timothy Reifsnyder
First Appearance "School Daze"

Henry Semple was a school shooter who killed four students and wounded eleven others at his high school.

During the trial, Henry's father Bill revealed that Henry always had a propensity for violence, and that he had even hurt his younger sister a few years before the shooting. Henry was tried and convicted of four counts of murder in the second degree and sent to Sing-Sing Correctional Facility for 25 years.

Jamie Ross was his defense attorney. (L&O: "School Daze")