BELLEVILLE, Ill. (AP) — The St. Clair County Sheriff’s Office is mourning the loss of a four-legged colleague. BOSS was the K9 companion of sheriff’s Deputy Sean McPeak. The (Belleville) News-Democrat reports the German Shepherd died Monday after a serious illness. A Facebook post announced the dog’s death. It says: “He will be deeply missed. BOSS was always so eager to work his next assignment.”