Why Prosecutors Work So Closely With Police and Other Public Officials
Why do prosecutors work closely with the officials who bring them cases — and does that shape how a complaint against a citizen is handled?
Before evaluating a system, understand how it was designed. This exhibit does not argue that the prosecutor-police relationship is improper. It exists so a visitor can see how it was built, and what it does.
The Visitor Question
Why do prosecutors work closely with the officials who bring them cases?
This exhibit examines the working relationship between prosecutors and the public officials — police, code enforcement, clerks, administrators — who bring them cases, and asks an open question: does that ongoing institutional closeness shape how a complaint against a private citizen is handled, compared to a citizen’s complaint against someone else?
Visitor Assumptions
What you might already believe — and what deserves a closer look
- “Prosecutors are neutral arbiters who treat every complaint the same.”
A prosecutor’s office works with the same police department or agency on hundreds of cases a year — a genuinely different relationship than the one with a private citizen who walks in once.
- “A prosecutor’s job is basically like a judge’s — deciding what’s fair.”
Not structurally. A judge rules on cases already brought. A prosecutor decides, with wide discretion, whether to bring a case at all — an executive function, almost entirely unreviewable by courts.
- “If a citizen accuses a police officer of a crime, the prosecutor’s office handles it like any other complaint.”
The same office that depends on that officer’s cooperation in dozens of unrelated matters is also the office deciding whether to prosecute them — the same “investigating your own” shape as artifact 05, one level up.
- “Prosecutors and police are separate, unconnected branches of government.”
By design, they aren’t independent in practice — prosecutors depend on police investigation and testimony in virtually every case they bring.
- “District attorneys are career civil servants, insulated from politics.”
In most states, DAs are elected, and police unions are frequently active participants in those elections — a political relationship layered on top of the daily working one.
- “An official’s complaint against a citizen is evaluated exactly like a citizen’s complaint against another citizen.”
An official complaint often arrives already documented — an incident report, a paper trail, institutional credibility — before a prosecutor’s independent evaluation even begins.
- “Charging decisions are reviewed and checked, the way police conduct can be reviewed by courts.”
Largely not. Whether to charge someone sits in one of the least externally reviewable zones of discretion in the system.
- “This dynamic is specific to police.”
Not structurally. The same case-building dependency applies to any institutional complainant a prosecutor deals with repeatedly.
Historical Context
What institutional problem existed, and what pressures produced today’s relationship
A distinctly American invention — built to avoid private prosecution
English common law relied on private prosecution — the victim brought the case. That model never took root in the colonies; by 1704, Connecticut had adopted public prosecution, and the rest followed. Prosecutors were minor, appointed officials for over a century, until a concentrated burst of judicial and prosecutorial elections between 1846 and 1853 put the office under direct democratic control. Every state admitted since the 1850s has elected its prosecutors from the start.
Professionalization began as independence from corruption, not closeness to police
Manhattan’s DA’s office spent decades under the influence of the Tammany Hall political machine. Its modern era began in 1935, when Thomas Dewey was appointed with an independent staff and budget specifically to combat machine corruption, building his own investigative bureau. The historical starting point of the professionalized American prosecutor was institutional independence — the dependency on police investigation examined in this exhibit grew later, as professionalized police departments absorbed the investigative function almost entirely.
Imbler v. Pachtman (1976) — a stronger shield than qualified immunity
The case arose from a California prosecutor who had knowingly used false eyewitness testimony and withheld alibi evidence, contributing to a wrongful murder conviction. The Supreme Court held prosecutors absolutely immune — not merely qualifiedly immune — from civil suits over conduct within their core prosecutorial function, grounded in a claimed common-law tradition scholars have since challenged, since English common law had no public prosecutor to have built such a tradition around.
Brady v. Maryland (1963) had already established, thirteen years before Imbler, a constitutional duty to disclose evidence favorable to the defense. Imbler didn’t undo that duty — but it left a prosecutor who violates it almost entirely shielded from being personally sued by the person harmed. The duty and the civil remedy for violating it live in two disconnected parts of the system.
Administrative Structure
How the relationship and the immunity doctrine function together
The functional test: two shields for two functions
Imbler’s absolute immunity applies specifically to advocacy — initiating a prosecution, presenting the case in court. Buckley v. Fitzsimmons (1993) and Burns v. Reed (1991) drew the line: investigative or administrative work — advising police, gathering evidence before probable cause exists, speaking to the press — gets only qualified immunity, the same lower bar as artifact 01. Most of a prosecutor’s working relationship with police happens in this less-protected category, even though the charging decision that follows sits in the most protected category in the system.
Grand juries compound the asymmetry rather than checking it
A grand jury hears only what a prosecutor presents — no defense counsel, a probable-cause standard, proceedings secret by design. This makes it easy to obtain an indictment when a prosecutor wants one. The same structure makes it just as easy to decline, by presenting a thin case or convening no grand jury at all — with no outside party positioned to compare how the same tool was used across two similar cases.
The charging decision is nearly unreviewable
Courts have generally treated the decision not to prosecute as insulated from judicial review on separation-of-powers grounds. This is the mirror image of Stage 3’s immunity doctrine: not just protection from being sued over a charging decision, but structural insulation from being overruled on one at all.
Where the asymmetry actually operates
An official complaint typically arrives pre-documented — an incident report, a chain of custody, a sworn statement from another government employee. A private citizen’s complaint typically starts from scratch. Layered on top: a prosecutor’s office evaluates hundreds of police-sourced cases a year and depends on that department’s cooperation across all of them, while a private citizen brings, at most, a handful of complaints in a lifetime. Neither fact requires bad faith to produce a real difference in speed or thoroughness.
The same “who watches the watcher” shape as artifact 05, moved one level up: artifact 05 examined a department investigating its own officers. This artifact examines a prosecutor’s office deciding whether to pursue a case against the very institution it depends on to build every other case on its docket.
Tradeoffs
Every institutional solution solves problems and creates new ones
A functioning system vs. structural loyalty to its source of cases
Prosecutors cannot build cases without police work — the relationship makes prosecution possible. The tradeoff: the same dependency gives a prosecutor’s office a genuine institutional stake in not alienating the department it relies on for its entire caseload.
Protecting good-faith advocacy vs. removing consequence for the gravest misconduct
Imbler’s rationale — protecting prosecutors from retaliatory suits — is a defensible interest. The tradeoff is sharper than artifact 01’s: Imbler’s own facts involved knowingly false testimony, and the prosecutor was still absolutely shielded, with no “clearly established law” ceiling at all.
Democratic accountability vs. an unreviewable black box
Elected prosecutors are, in theory, accountable to voters. The tradeoff: a single election is a blunt instrument for reviewing thousands of individual charging decisions, each otherwise almost entirely insulated from review.
Efficient case-building vs. an uneven starting line
Pre-documented institutional complaints let a prosecutor’s office move efficiently. The tradeoff: a system that rewards ready-made documentation will structurally move institutional complaints faster than citizen ones, regardless of underlying merit.
Reflection
Better questions, not a conclusion
This exhibit opened with a question about closeness — why prosecutors work so closely with the officials who bring them cases, and whether that closeness shapes how a complaint against a citizen is handled. What it walked through is a system where that closeness is the actual mechanism that makes prosecution possible, layered underneath the strongest immunity doctrine in this collection, and a charging power that is, by design, close to unreviewable.
The American public prosecutor was invented specifically to avoid private, personally-motivated prosecution. Given the dependency, documentation asymmetry, and repeat-player dynamics in Stages 3 and 4, has that original goal held, or has institutional proximity replaced personal motivation with a harder-to-see version of the same problem?
Imbler’s own facts involved a prosecutor who knowingly used false testimony, and he was still absolutely immune. Does “absolute” immunity read differently now — and is there a version of protection that preserves good-faith judgment without also covering that?
A grand jury can be steered toward an indictment or away from one, using the same secretive procedure either way. Is the problem the institution itself, or the absence of any outside party positioned to notice when the same tool is used differently in two similar cases?
This artifact’s asymmetry doesn’t require anyone to act in bad faith to produce unequal outcomes. Is that more or less troubling than a system that required bad faith to produce the same result?
This is the sixth artifact, and the fifth time the “who watches the watcher” shape has appeared. At what point does a recurring pattern stop being a coincidence of institutional design and start being the actual architecture of public accountability?
You don’t have to answer these to have gotten something real from this exhibit. The goal was never agreement — yours or the museum’s. It was making sure that whatever conclusion you reach, you’re standing on the actual architecture rather than a guess about it.
Sources & Further Reading
- Imbler v. Pachtman, 424 U.S. 409 (1976)
- Burns v. Reed, 500 U.S. 478 (1991)
- Buckley v. Fitzsimmons, 509 U.S. 259 (1993)
- Brady v. Maryland, 373 U.S. 83 (1963)
- Joan E. Jacoby, “The American Prosecutor in Historical Context”
- Michael J. Ellis, “The Origins of the Elected Prosecutor,” Yale Law Journal
- Manhattan District Attorney’s Office, “History of the Office”