who was the accused?
Balthazar Rau
Haymarket affair

On May 7, police searched the premises of Louis Lingg where they found a number of bombs and bomb-making materials. Lingg's landlord William Seliger was also arrested but cooperated with police and identified Lingg as a bomb maker and was not charged. An associate of Spies, Balthazar Rau, suspected as the bomber, was traced to Omaha and brought back to Chicago
what was a result of the haymarket square riot A harsh anti-union clampdown followed the Haymarket incident. where did it take place? Chicago when did it happen? May 4, 1886
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Haymarket affair [SEP] Investigation
Lingg's landlord William Seliger was also arrested but cooperated with police and identified Lingg as a bomb maker and was not charged. An associate of Spies, Balthazar Rau, suspected as the bomber, was traced to Omaha and brought back to Chicago. After interrogation, Rau offered to cooperate with police. He alleged that the defendants had experimented with dynamite bombs and accused them of having published what he said was a code word, "Ruhe" ("peace"), in the "Arbeiter-Zeitung" as a call to arms at Haymarket Square.