John Stacks, an officer with the Pittsburgh Police Department, died April 24, 1872, from injuries suffered on April 23 on Smithfield St., downtown. Henry Bender, who owned a saloon in which Stacks had just dined, was charged with the killing.

Bender was acquitted at trial on June 14, 1872. After this verdict, charges against his alleged accomplice, William Kocher, were dropped. Both defendants were German immigrants.

