In the early 1990s, there were about 1,300,000 criminals in U.S. city, county, state, and federal correctional institutions, and about 500,000 more were out on parole.
In the early 1990s, there were about 1,300,000 criminals in U.S. city, county, state, and federal correctional institutions, and about 500,000 more were out on parole.
在20世纪90年代初，在美国各城市、县、州和联邦监狱接受改造的罪犯大约有130万人，其中有50万为狱外假释人员。