William Cooper End of Watch: February 8, 1902 Age: 49 Rank: Deputy Agency: Jefferson County Sheriff's Office County: Jefferson Location on Memorial: III Incident Surrounding Death Deputy Cooper was called to a boarding house where a man was threatening his estranged wife with a revolver. As the wife fled the husband followed. Deputy Cooper grabbed the subject by the arm, at which point the subject placed a revolver to Copper's chest and fired once striking Cooper in the heart killing him. Back