He said, "I'm optimistic that indictments will result in the near future."
A 1921 indictment resulted in a hung jury.
An examining trial was conducted about the Choctaw Tom raid, but no indictments resulted.
No indictments resulted from the raids.
The indictments, announced last Thursday, could result in prison terms and fines of more than $1 million.
The indictment could result in sharp changes for food processors who have come to rely heavily on immigrant labor.
Between 1981 and 1990, the Justice Department received 88,000 civil rights complaints: indictments resulted in only 360 cases, and the conviction rate was even lower.
It is still uncertain if any major indictments or prosecutions will result from the investigation.
No indictments resulted at the time.
Mr. Alito said the indictment resulted from a Federal investigation of allegations that some school officials here sold administrative jobs.