Spokesmen for the Milwaukee police declined to confirm the officers' identities.

The Milwaukee police responded two months ago to reports of a naked and bleeding teen-ager on the street.

He told the Milwaukee police that his parents were "constantly at each other's throats" before they divorced.

Mr. Dahmer told the Milwaukee police that he was living alone in the family home and invited a hitchhiker over for a beer.

Mr. Dahmer, 31, was arrested last week after the Milwaukee police found the remains of 11 men and a boy in his North Side apartment.

Seitz was later found dead by Milwaukee police, apparently of natural causes.

Williams was arrested in Milwaukee by the Milwaukee police before being charged with public indecency.

A spokesman for the Milwaukee police declined to comment.

The researchers reported that in a 22-month period from 1987 to 1989, the Milwaukee police received 15,537 reports of domestic battery.