William Wetherspoon Gemmell, 24, a special officer with the Pawtucket Police Department, responded to a disturbance between two men on the evening of Friday, June 19, 1908. Summoned to the scene, he stepped in to calm the dispute. When he showed his badge, one of the men pulled a handgun and fired, striking Gemmell in the neck on a Pawtucket sidewalk. Neighbors and bystanders saw the sudden turn from argument to gunshot, a routine intervention collapsing into violence in an instant.
He was taken for treatment and held on through the weekend, but the wound proved mortal. Three days after the shooting, on Monday, June 22, 1908, Gemmell died of his injuries, his watch with the department cut short before it had truly begun. Memorial accounts have since fixed the sequence in stark terms: the shooting on June 19; the long vigil; the end of watch on June 22.
As for the gunman, contemporary summaries do not name a suspect, and line-of-duty records list the “offender” information as unavailable. No arrest is documented in those sources, and later historical roll-calls simply note that Gemmell was fatally injured while intervening in a domestic dispute, without identifying who fired the shot or what became of him. In the absence of a named assailant in these public records, the case's lasting trace has been Gemmell's memorials rather than a chronicle of prosecution.