Whether Worthington's amendment substituting Officers Wilson and Wall for "unknown named police officers" related back under Rule 15(c) after the limitations period expired.
Holding
No. Worthington's failure to name the officers resulted from lack of knowledge of their identities, not a "mistake concerning the identity of the proper party" within Rule 15(c).
Reasoning
The court found it unnecessary to decide whether the 1991 amendment to Rule 15(c) could properly be applied to this pending case. The revised rule gave Worthington an additional 120 days for notice under Rule 4(j), and the officers apparently learned of the lawsuit within that period rather than within the limitations period required by the former rule. But both the old and revised versions retained the separate requirement that the new defendant knew or should have known that, but for a mistake about the proper party's identity, the action would have been brought against that defendant.
Seventh Circuit precedent distinguished a correctable mistake in identifying a known proper party from a plaintiff's ignorance of who the proper party is. Relation back may correct a misnomer or other error in naming a defendant, but ordinarily cannot add a new defendant after limitations has expired simply because the plaintiff did not know the defendant's identity when suit was filed.
Worthington's counsel acknowledged that he decided to sue only one or two days before the limitations period expired and did not then know the names of the arresting officers. The original complaint's use of "unknown police officers" therefore reflected a lack of knowledge, not an error in naming Wilson or Wall. Because the required mistake was absent, the amendment could not relate back under either version of Rule 15(c), and the claims against the officers were time-barred.