William Frank Smith, an officer with the Homestead Borough Police Department, was shot and killed on October 6, 1920, by Ernesto Martinez, a Mexican “maddened by smoking Indian hemp or hasheesh.” Police had responded to reports of a man with a gun.
After killing Smith, Martinez moved through Homestead before barricading himself in a home. He was found there by pursuing officers and shot numerous times. He died at the scene. Two other officers were also injured by Martinez.
State Killings in the Steel City: The History of the Death Penalty in Pittsburgh 