Edward O’Dwyer, an officer with the Pittsburgh Police Department, was stabbed while attempting to make an arrest on June 30, 1881; he died of his wounds on July 5, 1881.
O’Dwyer was attempting to arrest a 16-year old boy for disorderly conduct when the boy’s parents intervened. The boy’s mother, Kate McClain, attacked O’Dwyer and his father, William McClain, stabbed him. The incident occurred in the defendant’s home at Bedford Avenue and Roberts St., in the Hill District.
Both parents were charged with murder. Kate McClain was acquitted and William McClain was convicted of second-degree murder.