This case arose after a barroom altercation was broken up by an off-duty police officer, Mark Gadert, and charges were brought against one of the bar’s patrons, George McCullah. Although these charges eventually were dismissed, McCul-lah suffered both temporary and permanent consequences from them: he was incarcerated, he had to pay for a lawyer, and he lost his job. None of this would have happened, he believes, had Officer. Gadert not provided false testimony supporting the charges in a post-incident report and at a preliminary hearing. McCullah therefore sued both Officer Gadert and the Springfield Police Department under 42 U.S.C. § 1983, claiming among other things that his Fourth Amendment rights had been violated; he also raised supplemental claims under Illinois law. The district court dismissed McCullah’s § 1983 claims and refused to retain jurisdiction over the state-law claims. McCullah now appeals that dismissal along with the district court’s denial of leave to amend the complaint. We affirm in part and remand in part for further proceedings.
I
Tempers flared one December evening in 1999 at the Brew Haus in Springfield, Illinois, leading to an altercation between two of McCullah’s friends and another patron. Officer Gadert intervened, though he was off-duty at the time. Entering the fray, McCullah interfered with Gadert’s efforts to halt the argument, although the extent of the interference is disputed. Officer Gadert claims that McCullah repeatedly interfered physically and verbally with Gadert’s efforts to break up the fight, that he threatened to have Gadert audited (perhaps a credible threat, as McCullah then worked for the Illinois Department of Revenue), and that McCullah attempted to impersonate a police officer. McCullah denies all of this. According to McCullah, he simply asked Gadert to identify himself but never heard a response. At one point, McCullah also alleged that he observed Gadert brandishing a City of Springfield police badge, but McCullah’s original and amended complaints are inconsistent on this matter.
*657 Officer Gadert later approached McCul-lah a second time, joined by two uniformed officers. The officers asked McCullah to step outside, subjected him to questioning, and told him that he could not re-enter the bar. Again, what transpired next is unclear. The parties dispute whether Gadert identified himself as a police officer. Nevertheless, everyone agrees that at no time did Gadert threaten McCullah with arrest or criminal citation.
As required under departmental regulations, Gadert wrote up the incident in a report. The report convinced the Sanga-mon County State’s Attorney’s Office to file criminal felony charges against McCul-lah. In short order, McCullah was summoned to a court appearance on February 9, 2000, a $5,000 bond was set, and McCul-lah was taken to the Sangamon County Jail. At the jail, he was subjected to the usual battery of mugshots, fingerprints, and the surrender and inventory of his personal belongings. Authorities clothed him in an orange jumpsuit and placed him in a holding cell. All told, McCullah was at the jail for approximately seven hours prior to his posting of bond and release.
The court held a preliminary hearing on the felony charges on March 6, at which Officer Gadert testified about the events in question. At the conclusion of the hearing the court dismissed the felony charges; the state’s attorney promptly substituted a misdemeanor charge for obstructing a peace officer. This charge too was later dismissed, this time before a hearing could be held. In the meantime, however, McCullah had to retain counsel to secure the dismissal of both sets of charges. Worse yet from his perspective, several weeks after the dismissal of the felony charges but prior to the dismissal of the misdemeanor charges, McCullah was fired from his job at the Department of Revenue.
McCullah filed three successive complaints against Officer Gadert and the City of Springfield. The district court dismissed each of these complaints for failure to state a claim, the last time with prejudice. In each, Counts I and III leveled state-law malicious prosecution claims against Gadert and the City, respectively. Counts II and IV advanced § 1983 claims against these same defendants. The only difference among the three complaints was that the initial version alleged violations of the Due Process Clauses of the Fifth and Fourteenth Amendments, while the second and third iterations asserted § 1983 claims under the Fourth Amendment. McCullah now appeals both the dismissal of the third complaint and the denial of leave to amend yet again.
II
McCullah’s principal claim on appeal is that the district court erred in dismissing the part of his complaint alleging that Officer Gadert violated his Fourth Amendment rights by providing false information about him, both in the incident report that Gadert filed shortly after the Brew Haus altercation and also through testimony offered at the preliminary hearing on the felony charges. We review the district court’s decision to grant a motion to dismiss for failure to state a claim
de novo,
accepting as true all well-pleaded factual allegations and drawing all reasonable inferences in McCullah’s favor. See
Albany Bank & Trust Co. v. Exxon Mobil Corp.,
A
The district court rested its dismissal of McCullah’s Fourth Amendment claim on two recent decisions of this court that substantially altered our approach to malicious prosecution claims brought under § 1983. See
Ienco v. City of Chicago,
286
*658
F.3d 994 (7th Cir.2002);
Newsome v. McCabe,
In
Albright,
the plaintiff brought a § 1983 action, alleging that detectives had violated his right to substantive due process by offering testimony against him at a preliminary hearing on criminal charges that were later dismissed. The plaintiff claimed that his right to be free from criminal prosecution except upon probable cause had been violated. The four Justices that made up the plurality concluded in an opinion written by Chief Justice Rehnquist that Albright’s claim was cognizable under the Fourth Amendment, but not under substantive due process.
Albright,
In arriving at the same result, Justice Kennedy — -joined by Justice Thomas— adopted a different approach. Justice Kennedy looked to the line of cases extending from
Parratt v. Taylor,
In
Newsome I,
this court was faced with the task of distilling the operative rule from
Albright
that emerged from the various separate opinions. Newsome had been arrested for a murder and armed robbery in 1979. He was convicted after a trial, but eventually the state courts vacated his conviction and he was pardoned on grounds of actual innocence. He then sued five officers of the Chicago Police Department, claiming that they had unlawfully procured witness identifications that led to his detention and had otherwise violated his rights.
Newsome I,
lenco
sheds further light on the line we drew in
Newsome I.
There, the plaintiff brought suit under § 1983, attempting to raise a constitutional claim based on malicious prosecution.
Ienco,
B
It is important to recall that the district court’s dismissals in this case were all under Fed.R.Civ.P. 12(b)(6). The fact that McCullah has changed legal theories from complaint to complaint is thus not important, because it is well established that plaintiffs are under no obligation to plead legal theories. See,
e.g., Slaney v. Int’l Amateur Athletic Found.,
The first lesson we take from
Al-bright, Newsome I,
and
lenco,
is that it is possible to state a § 1983 claim that relies on the Fourth Amendment. In
Newsome I,
we observed that Newsome did have a potential Fourth Amendment claim, but that it could not be pursued because the statute of limitations had run.
Newsome I,
Looking back directly to
Albright,
we find nothing in the various opinions that would require dismissal of McCullah’s Fourth Amendment claim. The Rehnquist plurality thought that Albright’s claims against the arresting officers
should
be judged under the Fourth Amendment. See
Albright,
In order to evaluate McCullah’s complaint, we must now decide whether the
Parratt
rule must be applied to foreclose all constitutional claims for which there is a parallel remedy under- state law, even if they are brought under a textually specific part of the Constitution, or if it applies only in the due process area. Our sister circuits have disagreed about the answer to this question. At least one circuit appears to have adopted a broad reading of
Parratt.
See
Reid v. New Hampshire,
We agree with the latter group. A more expansive version of the
Parratt
rule would be directly contrary to the teaching of
Carey v. Piphus,
Ill
The district court thus should not have held that Albright, Newsome, and lenco required dismissal of McCullah’s claims. The only remaining question is whether we must remand this case for further proceedings, or if we can or should resolve it here. There are a number of legal questions that must be addressed before the court can be confident that McCullah has stated a claim on which relief can be granted, none of which has been briefed or' explored in any meaningful way before this court. We think it best to allow further proceedings on these points, rather than to reach out and decide issues that have not been fully developed. We add only a few words about these issues, to clarify exactly what we have decided and what remains open.
McCullah’s complaint focuses on government conduct that occurred both pre-ar-rest
(i.e.
the incident report containing allegedly fabricated information), and also post-arraignment
(i.e.
the allegedly false testimony given by Officer Gadert at the preliminary hearing). The incident report may be actionable if McCullah can show that it contains fabricated information, as
*661
opposed to showing that it omits allegedly exculpatory facts. The report led directly to McCullah’s detention at the conclusion of his initial court appearance, which was the initial termination of his freedom of movement, see
Brower v. County of Inyo,
Later McCullah wound up in custody, when he complied with the summons he received. Among the important questions to be resolved is whether this kind of summons is the equivalent of a seizure within the meaning of the Fourth Amendment, compare
United States v. Dionisio,
The part of McCullah’s complaint that focuses on post-arrest conduct .also raises complex legal issues. His claim about Officer Gadert’s allegedly false testimony at the preliminary hearing implicates this circuit’s past rejection of the concept of continuing seizure in -the Fourth Amendment context. See
Reed v. City of Chicago,
These and other legal questions are still open for exploration on remand, and nothing in this opinion should be read as a limitation on the district court’s authority to resolve them.
*662 IV
That leaves two loose ends to tie up. First, the district court correctly concluded that MeCullah has failed to allege a policy or practice that can establish municipal liability. We therefore affirm its dismissal of McCullah’s § 1983 claim against the City and its police department. See
Monell v. Dep’t of Soc. Servs.,
V
For the reasons stated above, we AffiRM in part and Reveese in part the judgment of the district court dismissing McCullah’s complaint and Remand for further proceedings consistent with this opinion.
