Edgar Matthew Hyland, an officer with the Pittsburgh Police Department, suffered a fractured skull and other injuries in an altercation with three men he was attempting to arrest on Wylie Avenue in the Hill District in January 1916. He died during surgery to remove his eye on May 26, 1917.
Matthew Brickley was charged with manslaughter in September 1917, after having been arrested during a robbery on August 31, 1917.
Brickley was acquitted at trial.
State Killings in the Steel City: The History of the Death Penalty in Pittsburgh 