Days before the election, he announced indictments of four people who were registering voters for the liberal group Acorn on charges of submitting false registration forms.
Sonny Armond, a defense lawyer, said other local laws regarding grand juries remained in place after 2001 and brought into question the indictments of several hundred people.
B1 Stock-Manipulation Charges Federal officials announced the indictments of 85 people who they said had swindled investors out of $100 million.
The five-year investigation of which Mr. Bridgwood was a part led to the indictment of 34 people, 34 companies and 4 trade waste associations.
At issue is an investigation into kickbacks that has led to the indictment of seven people, including two former City Council members.
That inquiry, which has already resulted in indictments of more than 80 people, is continuing, a spokeswoman for the office said.
The investigation led to the indictment of 43 people on drug charges and 3 on gun charges, officials said.
Information referred by the commission to the Attorney General resulted in the indictments of six people and a guilty plea from another target of the investigation.
The case, which shocked the equine sporting world, culminated on July 27 in the indictment of 23 people in Chicago.
The earlier indictments of 49 people - 42 Bosnian Serbs and 7 Bosnian Croats - have not been announced either.