Illegal conveyance to a detention facility means bringing a prohibited item — or attempting to bring one — into a jail, prison, or other correctional institution. Under the main federal statute, 18 U.S.C. § 1791, penalties run from six months to 20 years depending on what the item is, and some sentences must be served on top of any time the person is already doing. The charge reaches visitors, correctional staff, contractors, and inmates who make or obtain prohibited items inside.
Who the Law Reaches
The federal statute, titled “Providing or possessing contraband in prison,” creates two offenses. One targets anyone who gives a prohibited item to an inmate or tries to. The other targets inmates who make, possess, or obtain a prohibited item inside the facility. Both carry the same penalty tiers, so a visitor smuggling a cell phone and an inmate caught with one face the same maximum for that item.
“Prison” is defined broadly. It covers federal correctional, detention, and penal facilities, as well as any facility holding people under contract with the Attorney General. States have their own parallel statutes for state-run institutions, and the sentences and item classifications differ by jurisdiction.
Visitors
Visitors are the most common source of smuggled contraband. Bureau of Prisons policy posts signs at every entrance warning that everyone is subject to search and that entering the grounds implies consent. Beyond the criminal charge, a visitor caught with contraband loses visiting privileges, and the BOP has said it will seek prosecution in drug-related cases.
Correctional Staff and Contractors
Staff face the same penalties as anyone else under § 1791, and a conviction costs them the job and any government pension benefits. Corrupt staff are treated as a particularly serious threat because their daily access bypasses the screening visitors go through. Prosecutions of officers for smuggling drugs, phones, and other items happen regularly.
Inmates
Inmates who make, possess, or obtain prohibited items are charged under the same statute. For them the consequences are especially harsh because of how the sentence stacks, discussed below.
What Counts as a Prohibited Item
Federal law sorts prohibited items into tiers, with the maximum sentence tied to the tier. Knowing which tier an item falls into matters, because the gap between categories can be the gap between six months and 20 years.
Narcotics, Methamphetamine, LSD, and PCP
The top tier covers narcotic drugs, methamphetamine, LSD, and PCP. Conveying any of these into a federal facility carries up to 20 years.
Firearms and Schedule I or II Substances
Firearms, destructive devices, and Schedule I or II controlled substances not covered by the top tier carry up to 10 years. Marijuana, Schedule III substances, ammunition, other weapons, and objects designed to help someone escape carry up to five years.
Cell Phones, Currency, and Alcohol
Items that sound minor still bring real time. Cell phones and other mobile communication devices carry up to one year in federal prison, and the same one-year maximum applies to U.S. or foreign currency and to alcohol.
The Catch-All
Any other object that threatens the order, discipline, or security of the facility, or the life, health, or safety of any person, carries up to six months. This gives prosecutors a way to charge items that don’t fit the named categories but still compromise safety.
Why Sentences Stack
The consecutive sentencing rule in § 1791 is one of the harshest features of the law, and it catches people off guard. Two triggers are mandatory.
First, any sentence for a controlled substance conviction under this statute runs consecutively to any other sentence from any court for an offense involving that substance. A visitor convicted of smuggling heroin into a prison who also faces a separate drug trafficking charge serves them back-to-back, not at the same time.
Second, any sentence an inmate gets for violating this statute runs consecutively to the sentence they are already serving. The judge has no discretion to order concurrent time. An inmate with three years left who is caught with a cell phone doesn’t just risk up to one year; that year gets added onto what’s left.
Federal law also prohibits probation for drug offenses committed inside federal detention facilities. If you are convicted of smuggling drugs into a federal prison or distributing drugs inside one, the court cannot sentence you to probation.
What Prosecutors Have to Prove
The statute does not include an explicit “knowingly” or “willfully” requirement in its text. It simply prohibits providing a prohibited object to an inmate or possessing one as an inmate. In practice, prosecutors still have to show the defendant acted intentionally rather than by accident, because courts read the statute against general criminal law principles that disfavor strict liability for serious offenses. The absence of explicit intent language, though, gives prosecutors somewhat more room than a statute requiring proof the defendant “knowingly and willfully” broke the law.
Where the item is found matters. Contraband on a person or in their belongings creates a strong inference of knowing possession. Items found in shared spaces — common areas, shared cells, communal work areas — are harder to tie to one individual. Prosecutors then rely on constructive possession, which requires showing the accused knew the item was there and had the ability to control it. Mere proximity isn’t enough. When several people had equal access, prosecutors usually need something more: fingerprints, DNA, witness testimony, surveillance footage, or communications about the item.
Common Defenses
Defense strategies in these cases tend to cluster around a few recurring issues, and the strength of any one depends heavily on the facts.
Challenging constructive possession is the most common move when contraband turned up in a shared space rather than on the defendant. If multiple people had access and nothing physical ties the defendant to the item, the prosecution’s case has a real weakness. The absence of fingerprints, DNA, or surveillance linking a specific person to the contraband often creates reasonable doubt.
Procedural challenges focus on how the search was conducted and whether the chain of custody for the seized item held together. Correctional searches get wide latitude from the courts, so suppression motions succeed less often than defendants hope, but sloppy evidence handling does happen, and without the item and a clean evidentiary chain the case can fall apart.
Lack of knowledge is viable when the defendant genuinely didn’t know the item was there or didn’t know it was prohibited. A visitor whose bag was packed by someone else, or an inmate moved into a cell where contraband was already hidden, may have a credible argument. The harder part is persuading a jury, because “I didn’t know it was there” is also the most common excuse from people who did.
Consequences Beyond the Sentence
A conviction reaches well past the prison term itself. Most conveyance charges are felonies, or at least carry the possibility of more than a year, so a conviction creates a permanent criminal record that affects employment, housing, voting rights, and firearms ownership. For correctional staff, a conviction means automatic termination and loss of law enforcement certification. For family members who were visiting, it can mean losing the ability to maintain contact with an incarcerated loved one, sometimes permanently. For inmates, beyond the consecutive sentence itself, a conviction can trigger transfer to a higher-security facility, loss of good-time credits, and reduced eligibility for early release programs, which stretches the real time served well past the added sentence on paper.