At the New York state prison at Sing Sing, thirty miles north of New York City on the Hudson River, six prisoners attempted an escape from a work detail in the prison's marble quarry.  One prisoner was shot dead and the others easily recaptured after a brief struggle.  (By John Osborne) 
Source Citation
"Attempted Escape from Sing Sing," New York Times, July 19, 1860. 
    Date Certainty
    Exact
    Type
    Crime/Disasters

    How to Cite This Page: "In New York, an attempted jailbreak from Sing Sing Prison fails with one prisoner shot dead," House Divided: The Civil War Research Engine at Dickinson College, https://hddev.housedivided.dickinson.edu/index.php/node/32550.