Administered by Manitoba Corrections, it has minimum, medium, and maximum security facilities for a rated population of 549 adult males.

[3] The riot broke out as members of the rival Manitoba Warriors and Indian Posse gangs fought each other.

[4] Eventually, 321 prisoners surrendered after rampaging, setting fires, and brutally attacking guards and inmates.

[3][4][5] All of the inmates were moved to Stony Mountain Penitentiary, Brandon Correctional Institute, or the Winnipeg Remand Centre.

Subsequent police reports suggested that the riot seemed to target inmates who were either informants or segregated because of sex crimes.