The Same-Conduct Requirement

The Same-Conduct Requirement

The protections of the Double Jeopardy Clause against a second prosecution after acquittal, a second prosecution after conviction, and multiple punishments all come into play only when the prosecutions or punishments are for the same offense.¹ The elements comparison from Blockburger settles only the first half of that question. A court applying it sets two statutes side by side and asks whether each requires proof of a fact the other does not, so the comparison is made between definitions and does not depend on what the defendant did.² A double jeopardy claim, however, is made by a particular defendant about particular events, and that leads to the second half. The defendant must show that the charges rest on statutes defining the same offense and also that those statutes are being applied to the same conduct.³

The second showing exists because the Clause protects against repeated prosecution of the same wrong, and matching definitions only show that two charges could describe the same wrong. They do not show that the State is going back for it. Consider what would follow if matching alone were enough. A statute always has the same elements as itself, so a conviction for one robbery would make every other robbery the defendant ever committed the "same offense" and place all of them beyond prosecution. Tying the bar to the conduct the first case covered prevents that result and leaves the State free to prosecute distinct wrongs. The nutshell example is a defendant prosecuted separately for two robberies committed against different victims. Even if both prosecutions rest on the same statutory provision, the defendant has not been twice placed in jeopardy for the same offense.⁴

The hypothetical shows why identical statutory elements, taken alone, do not establish the same offense. A separate doctrine, collateral estoppel, can bar a later prosecution in some circumstances even when the offenses are different, but it asks a different question from the one here.⁵

The conduct inquiry is also narrower than it first sounds. It does not ask how much the evidence in the two cases overlaps. It asks how many offenses the legislature made out of the acts charged. Because the legislature defines crimes, it also fixes the unit of the crime. A statute may be written so that an extended course of conduct is one offense, or so that each act within that course is an offense of its own. The court therefore reads the statute to learn how many crimes a set of acts amounts to, and only then asks whether the two charges fall within one of them. That is why the analysis requires attention to both the legal definition of the crime and the factual conduct charged.⁶

This requirement should be kept apart from the Grady test discarded in the preceding section, because the two ask different questions. Grady asked whether proving an essential element of the later charge would require the State to prove conduct for which the defendant had already been prosecuted, which tied the bar to the State's planned proof. The requirement taught here asks whether the acts charged in the two cases make up a single offense as the legislature defined it, and it operates alongside the elements comparison instead of replacing it. Shared evidence therefore cannot establish the bar, and distinct incidents can defeat a claim even when the statutes are identical.

The sections that follow take up three situations. The first returns to Brown v. Ohio to show how a legislature's unit of offense can treat a single course of conduct as one crime. The second turns to Blockburger itself, where successive sales of morphine counted as separate offenses. The third shows that two prosecutions under the very same statute can concern different victims or different incidents and so escape the bar. The first of these begins with the unit of offense.

The Legislature's Unit of Offense

The elements comparison in Brown v. Ohio showed that joyriding and auto theft were the same statutory offense, because every element of joyriding is also an element of auto theft.⁸ That showing answered only the first half of the same-offense inquiry, and the reasoning of the Ohio Court of Appeals shows why the second half matters. It agreed that, for double jeopardy purposes, the two prosecutions involved the same statutory offense, yet it upheld the second one on the ground that the prosecutions rested on two separate acts: the theft of the car in East Cleveland on November 29, and the driving of it in Wickliffe on December 8.⁹ Nine days and a change of town made the acts look distinct, and on that view a prosecution for the earlier act was not a second try at the later one.

The Supreme Court rejected that reasoning. Whether a course of conduct amounts to one offense or to several depends on how the legislature defined the crime, and Ohio law treated the theft and operation of a single car as a single offense.¹⁰ The Court took the Ohio court's definitions of the two crimes as authoritative, since state courts have the final word on the meaning of their own legislation, and it then held that the second prosecution was barred.¹¹ This step differs from the one taught earlier. The elements comparison asks whether two statutes define the same offense. The unit-of-offense question asks, once they do, whether the defendant's conduct amounts to one offense or to more than one under those statutes.

The reasoning follows the division of labor that the Clause assumes. The legislature defines crimes and punishments, and once it has acted, courts may not impose more than one punishment for the same offense and prosecutors ordinarily may not seek that punishment in more than one trial.¹² If the dates and places of a continuing course of conduct could divide one offense into several, the prosecutor would decide how many crimes the defendant committed, a decision the legislature has already made. A prosecutor who had convicted a defendant of the lesser offense could then recover the greater simply by describing it as an act on another day or in another town, and the protection for greater and lesser offenses would disappear. The count therefore comes from the legislature's unit of offense, and the prosecutor's chronology does not change it.

The unit of offense can cut the other way, and the Court said so. Had the Ohio legislature provided that joyriding is a separate offense for each day on which a vehicle is operated without the owner's consent, a defendant convicted for operating the car on one day could be prosecuted for operating it on a different day, because each day would be its own offense.¹³ Ohio had made no such choice, so the nine-day gap carried no legal weight. The same question arises wherever a statute leaves the counting open. Whether a defendant who downloads a file of 25 prohibited images has committed one offense or 25 is a question of the legislature's intended unit of prosecution, and courts have treated the simultaneous receipt of four such images as a single crime but the receipt of images on separate days as distinct offenses.¹⁴ Students lose this issue when they let different dates and different towns stand in for a legislative choice to count each of them separately.

The point was contested within the Court. The dissent took the view that the Ohio court could properly find that the theft and the driving were distinct acts, and Justice Brennan, concurring, would have gone in the opposite direction by requiring the prosecution to bring all charges arising from a single criminal episode in one proceeding.¹⁵ The majority adopted neither position. It left the number of offenses to the legislature's definitions, so a single episode does not by itself bar a later charge, and acts that look separate on a calendar do not by themselves permit one.

Successive Sales as Separate Offenses

The elements comparison cannot settle every same-offense question, and Blockburger v. United States itself shows where it runs out. The defendant there was convicted on counts charging two sales of morphine hydrochloride to the same purchaser, ten grains on one day and eight grains on the next, and the trial court imposed five years in prison and a $2,000 fine on each count, with the prison terms to run consecutively.¹⁷ The defendant argued that sales to one buyer, following each other with no substantial interval between delivery of the first quantity and payment for the second, made up a single continuing offense that could carry only one penalty.¹⁸ The Court rejected the argument. Its answer addresses the question taught in the preceding section, which is how many offenses a defendant's conduct amounts to once the statute under which it is charged has been identified. The other issue in the case, one sale charged under two statutory sections, is the elements test taught at the start of this chapter.

The Court began with the facts. The first sale had been completed by delivery, and the purchaser then paid for an additional quantity that was delivered the next day. That later payment, "however closely following" the first delivery, was the beginning of a separate and distinct sale that was completed by its own delivery.¹⁹ The Court then turned to the statute. The Narcotic Act did not create an offense of engaging in the business of selling forbidden drugs, and instead penalized any sale made without the qualifying requirements the act set out. On that reading the unit of offense was the individual sale, and the Court held that each of several successive sales is a distinct offense "however closely they may follow each other."²⁰

To explain the line it was drawing, the Court relied on an earlier decision, In re Snow. The statute in that case made it an offense to cohabit with more than one woman, and the Court treated the offense as continuous, one that has duration rather than consisting of an isolated act, and that is committed wherever there is a living or dwelling together as husband and wife.²¹ An offense of that kind stands opposite to one that can be committed uno ictu, a Latin phrase meaning in a single stroke, where the statute is aimed at an act that is complete as soon as it is done. The question in any given case is therefore whether the statute prohibits the individual acts or the course of action that the acts together make up. If it prohibits the acts, each one is punishable separately, and if it prohibits the course of action, only one penalty may be imposed.²²

The reason for the line lies in what each kind of statute punishes. A cohabitation statute reaches a condition that continues from day to day, so a defendant who keeps living in the forbidden arrangement has done nothing new on the second day, and slicing the condition into daily offenses would multiply one wrong into hundreds. A sale statute reaches an act that is finished once the deal is done. A seller who delivers, takes payment for more, and delivers again has formed a fresh bargain and committed a fresh wrong, so punishing the second sale is not a second punishment for the first. The opposite rule would also create an incentive problem: if speed could merge sales into one offense, a seller could shelter a whole run of sales behind the first by compressing them in time, and the penalty would stop tracking the number of wrongs. This also explains why the elements comparison does not decide the case. Counts two and three charged the same provision, so each required proof of exactly the same facts as the other, and the test of whether each offense requires a fact the other does not could never separate them.²³ The legislature's choice of unit does that work.

The same reasoning reaches well beyond narcotics. Courts regularly hold that when a statute targets individual acts rather than a course of conduct as a whole, charges tied to separate dates are not the same offense, even when the acts are of the same nature.²⁴ The images cases follow the same pattern, since the simultaneous receipt of several prohibited images has been treated as one crime while receipt on separate days has been treated as distinct offenses.²⁵ Students lose this issue when they treat closeness in time or a single purchaser as proof of one continuing offense, because the question is what the statute prohibits, and the calendar does not answer it.

On an exam stem, then, the first move is to read the statute for its unit. A per-sale or per-act statute makes consecutive sales to the same purchaser separate offenses, so consecutive sentences at one trial exceed nothing the legislature authorized. A statute aimed at a continuing condition, such as cohabitation, yields one offense however long the condition lasts. The next section shows that the same statute can also reach different victims or different incidents, and that the answer there turns on the same question about what the legislature defined as a single offense.

Different Victims and Incidents

The preceding section showed that the legislature's unit of offense decides how many crimes a course of conduct contains. The same inquiry explains why two prosecutions under one statute are not always two attempts at the same offense. When the State brings both cases on the same events under precisely the same statute, the defendant has plainly been prosecuted twice for the same offense, because a provision cannot require a fact that it does not itself require, and the elements comparison necessarily finds the two charges identical.²⁷ The harder situation arises when the statute is the same and the events are not. A defendant who invokes the Clause must show that the two charges define the same offense and also that they are applied to the same conduct, so a second prosecution under the identical provision for a different incident or against a different victim is not for the same offense.²⁸

The standard illustration is the multi-victim robbery. A defendant prosecuted separately for two robberies committed against different victims has not been twice placed in jeopardy for the same offense, even though both prosecutions rest on the same statutory provision.²⁹ Setting the two poles side by side shows which fact carries the result.

The two halves of the requirement have different jobs. The elements comparison asks whether the legislature has defined one crime or two. The conduct half asks whether the defendant is being punished twice for a single wrong. A robbery is a wrong done to a particular person, so robbing a clerk and robbing a customer are two wrongs, and a conviction for the first answers only for the harm to the clerk. If that conviction shielded the defendant from prosecution for the customer, the defendant would pay once for harms done to two people. The incentive would be perverse, because each additional victim in a single episode would cost the offender less. The Clause demands identity of both offense and conduct for this reason: it protects against repeated punishment for one wrong and leaves the State free to hold a defendant accountable for each separate harm.³⁰

The same distinction can separate charges that overlap in subject matter. A federal court of appeals applied it in a prosecution for submitting false time cards. A first indictment charged each defendant with theft or false statements based on his own time cards for particular pay periods, and the court agreed that the Clause protected each defendant from later aiding-and-abetting charges built on those same time cards. A later indictment charged that each defendant helped a third person submit false time cards, and that charge rested on different conduct, the third person's time cards, so it was not barred.³¹ Students lose this issue when they treat an identical statute as proof that the second prosecution is for the same offense, because the question is also whether the same incident and the same victim are at stake.

The Clause's refusal to bar the second case does not make separate prosecutions of a multi-victim crime always safe for the State. In Ashe v. Swenson the Court held that the Clause gives a criminal judgment some collateral estoppel effect: if the first jury necessarily decided an issue in the defendant's favor, and that issue resolves the ultimate question in a second case against the same defendant, the government may not litigate it again.³² In the clerk-and-customer example, an acquittal that necessarily rested on a finding that the defendant was not the robber might therefore stop the customer prosecution, depending on the facts. That doctrine concerns relitigating facts already decided, while the same-offense bar concerns retrying an offense, so it is a separate inquiry and is taught on its own.³³