Possession of Burglarious Instruments in Idaho: What Constitutes a Tool and How to Defend Your Case

Current as of: October 16, 2026 Theft, Burglary & Robbery Idaho
Under Idaho Code § 18-1406, possessing tools like crowbars, bolt cutters, or broken spark plugs can lead to a misdemeanor charge for possession of burglarious instruments. However, the prosecutor must prove beyond a reasonable doubt that you had the specific intent to use these everyday items to commit a burglary.

Imagine you are driving home from a construction site in Nampa or finishing up a late-night roadside repair in Idaho Falls. You get pulled over for a broken taillight, the police search your trunk, and they find a crowbar, a heavy-duty flashlight, and a pair of bolt cutters. Suddenly, you are in handcuffs, accused of being a criminal out looking for a building to break into. In Idaho, the law surrounding burglary tools is incredibly broad, and entirely innocent people frequently find themselves facing serious criminal charges simply for possessing everyday hardware.

The charge of possessing 'burglarious instruments' is a unique crime because the objects in question are perfectly legal to buy at any local hardware store. The crime is not the tool itself; the crime is what the police believe you were planning to do with it. Because police officers often jump to conclusions based on where and when they stop you, fighting this charge requires aggressively dismantling the prosecution's assumptions about your intent. This guide explains the nuances of the Idaho statute, the items most commonly misconstrued as burglary tools, and how working professionals can defend themselves in court.

Step-by-Step Legal Process in Idaho

If you are charged with possessing burglary tools, you must navigate the local magistrate court system. Taking the right steps early can prevent a misunderstanding from becoming a permanent criminal record.

Step 1: The Stop and Seizure

The process usually begins with a traffic stop or a pedestrian encounter. An officer observes tools-either in plain view or during a search-and decides that the context makes them suspicious. The tools are immediately seized as evidence, and you are cited or arrested and booked into a local facility, such as the Bonneville County Jail, Idaho Falls.

Step 2: Challenging the Search

Before arguing about your intent, your defense attorney will review the legality of the search itself. If the police searched your vehicle without your consent, without a warrant, and without probable cause, your lawyer will file a Motion to Suppress pursuant to Idaho Criminal Rule 12(b)(3). If the judge agrees the search violated your U.S. Const. amend. IV rights, the tools are thrown out as evidence, destroying the prosecutor's case.

Step 3: Building a Defense of Innocent Intent

If the search was legal, the focus shifts to why you had the tools. Your lawyer will gather evidence of your employment, text messages showing you were on your way to fix a friend's fence, or receipts showing you just purchased the tools for a legitimate project.

Step 4: Trial or Dismissal

Because proving intent is notoriously difficult, prosecutors will often dismiss the charge if your attorney presents solid evidence of a legitimate purpose. If they refuse, the case will go to trial in a magistrate court, such as the Bannock County Magistrate Court, Pocatello, where a jury will decide if your intent was genuinely criminal.

Breaking Down Idaho Code § 18-1406: The Intent Requirement

The foundation of this charge is found in Idaho Code § 18-1406. The statute makes it a misdemeanor to have any picklock, crow, key, bit, or other instrument or tool with the intent to break or enter into any building or vehicle for the purpose of committing any misdemeanor or felony therein.

The critical phrase in the law is 'with the intent to break or enter.' The prosecution cannot simply hold up a screwdriver in the courtroom and say, 'This man is guilty.' They must present circumstantial evidence-such as you wearing dark clothing, lurking behind a closed retail store at 3:00 AM, wearing gloves, and providing a false name to the police-to convince a jury that you intended to use that screwdriver to commit a crime. Without that surrounding context of criminal intent, the possession of the tool is entirely lawful.

Locksmith Equipment and Spark Plugs (Ninja Rocks)

Some items naturally draw more police suspicion than others. If you are found carrying a professional set of lockpicks or a slim jim (used to unlock car doors), the police will immediately assume you are breaking into cars unless you have a valid locksmith license or are a tow truck driver.

Another highly scrutinized item is broken pieces of ceramic spark plugs, commonly referred to on the street as 'ninja rocks.' When thrown at a car window, the hard ceramic shatters the tempered glass instantly and almost silently. While a whole spark plug belongs in an engine, carrying a pocket full of shattered spark plug porcelain at midnight in a residential neighborhood provides prosecutors with a very strong circumstantial argument for criminal intent.

Crowbars, Bolt Cutters, and Construction Tools

The vast majority of arrests under Idaho Code § 18-1406 involve completely ordinary tools: crowbars, heavy-duty bolt cutters, cordless drills, and sledgehammers. The legality of possessing these items is entirely situational. If the police find a pair of bolt cutters in a messy truck bed surrounded by chains and construction debris at noon, it looks like a workday. If those same bolt cutters are found hidden under the passenger seat of a car parked next to a bicycle rack or a fenced-in storage facility late at night, the police will aggressively push for a burglarious instruments charge.

Defenses for Mechanics and Tradespeople

Tradespeople in Idaho-carpenters, mechanics, landscapers, and general contractors-are at a high risk of being wrongly accused simply because their vehicles are mobile tool sheds. The most effective defense in these cases is providing overwhelming proof of legitimate professional use.

Your defense lawyer will present your business license, employment records, union card, or recent invoices to the prosecutor. If you can prove that you use a crowbar and a drill every single day for your job, the prosecution's argument that you possessed them specifically for a burglary begins to fall apart. Establishing that the tools were part of your daily livelihood is the fastest way to get the charges dropped before trial.

How Much Does it Cost in Idaho?

Defending against a misdemeanor charge involves several financial costs.

Type of ExpenseEstimated Cost (USD)
Criminal FinesUp to $1,000 fine for a misdemeanor conviction
Private Defense Attorney Fees$1,500 - $4,000 (Depending on whether the case goes to trial)
Probation Fees$50 - $75 per month (If sentenced to supervised probation)
Bail BondUsually $300 - $1,000 to bond out of jail after arrest

How Long Does the Process Take?

Misdemeanor cases in Idaho move relatively quickly compared to felonies. From the date of your arrest, an arraignment usually occurs within a few weeks. If your lawyer can convince the prosecutor to dismiss the charge based on a lack of intent, the case could be resolved in 1 to 3 months. If the prosecutor refuses to drop the charge and you demand a jury trial, expect the process to take 4 to 6 months.

Frequently Asked Questions (FAQ)

Is it illegal to carry a lockpick set in Idaho if I am not a locksmith?

It is not inherently illegal to own lockpicks as a hobbyist (locksport) in Idaho. However, carrying them in public, especially at night or near businesses, gives police strong suspicion to investigate your intent, and they may charge you if the context looks suspicious.

Can I be charged with this if I actually committed a burglary?

Yes. Prosecutors frequently stack charges. If you break into a building, you will be charged with felony Burglary (Idaho Code § 18-1401), and you will also be charged with a separate misdemeanor for possessing the tools you used to break in.

Does this charge apply if I was trying to break into my own locked car?

No. You cannot be convicted of possessing burglary tools if you were genuinely trying to access your own property, because you lack the intent to commit a crime. However, you may still be detained until you can prove ownership of the vehicle.

Will a conviction for burglary tools go on my permanent record?

Yes. A misdemeanor conviction will remain on your criminal record, which can severely impact your ability to get a job, rent an apartment, or hold certain professional licenses.

How can I find a criminal defense lawyer in Idaho?

If you have been falsely accused based on the tools in your vehicle, you need legal help immediately. You can use our directory to find experienced Idaho criminal defense attorneys who can fight to prove your innocence in court.


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