By Steve Mills and Jeff Coen
Chicago Tribune
CHICAGO — Federal prosecutors continue to investigate decades-old allegations that Chicago police routinely tortured murder suspects, focusing on a half-dozen detectives following the recent indictment of former Cmdr. Jon Burge, the alleged ringleader, sources said.
Subpoenas served on the city show that prosecutors are looking at detectives long linked to Burge and the South Side precincts where he worked mostly during the 1980s. Among them: former Sgt. John Byrne, considered Burge’s right-hand man, and former detective Peter Dignan.
It is not surprising that the investigation has widened beyond Burge. Last October, when prosecutors announced Burge’s indictment on perjury and obstruction of justice charges, U.S. Atty. Patrick Fitzgerald said the charges “should serve as a warning” to those officers who worked for him and took part in alleged brutality.
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