// For IID providers
Your next customer was arrested last night.
Ignition interlock providers spend heavily to be found — search ads, directories, referral programs — after a DUI defendant starts looking. Leads For Lawyers reaches that person first, with the same arrest-record harvest and same-day mail infrastructure that has served defense attorneys since 1992.
The short answer
Leads For Lawyers supplies ignition interlock leads the way it has supplied attorneys since 1992: by harvesting DUI and DWI arrest records daily in every state and mailing a personalized, address-verified First-Class piece the same day — under your brand, measured with QR codes and tracked phone numbers. Where disposition records are available, a DUI conviction triggers a second piece — reaching the driver at the point an interlock requirement may be imposed or imminent.
Ignition interlock leads from DUI arrest data, not search ads
Most ignition interlock leads are bought at the end of the customer’s journey: a search, a click, a form — auctioned to whichever provider bids highest. By then, every brand in the market is in front of the same person. DUI arrest data moves the starting line. Arrests are public records, published daily by sheriffs, local police, and courts, and Leads For Lawyers has spent more than three decades building the harvest that collects them — every state, every day.
For an IID provider, that record is the earliest legitimate signal in the category. A person facing an impaired-driving charge may soon need an interlock to keep driving. The provider whose name reaches them first — calm, factual, with a clear path to installation — enters the decision before the bidding war begins.
From arrest record to mailbox: ignition interlock direct mail, same day
The pipeline is the one that already runs for DUI defense attorneys: a DUI or DWI record collected in the morning becomes a composed, address-verified, personalized letter by the afternoon, mailed First Class from the nearest of 3 mail houses — Los Angeles, Milwaukee, and Atlanta — strategically placed for USPS transit. Since 1992, more than 20,000,000+ pieces have moved through it.
Your piece carries your brand: letter, brochure, and envelope designed to your identity, personalized to the recipient and their market. And every piece is instrumented — a QR code and a tracked phone number per campaign, so your team reads what the mail produced instead of guessing.
IID marketing that scales market by market
A national rollout doesn’t have to begin nationally. Start with the counties you want to win, run the campaign, and read the report: scans, calls, and the installations your team ties back to them. Expand the markets that perform; adjust the ones that don’t. Because every jurisdiction publishes records differently, consolidating that variation into one pipeline is most of the work — and it’s the part Leads For Lawyers has already built. You see one program and one report, however many states it spans. The mechanics are laid out end to end in how it works.
None of this replaces your search and digital spend — it front-runs it. The letter arrives first; the search it prompts lands on the presence you already pay for. If an agency runs your acquisition marketing, our agency partnership program lets them fold this channel into your existing reporting.
// Conviction intelligence
DUI conviction intelligence: the second moment an interlock customer appears
An arrest identifies a possible future interlock customer. A DUI conviction identifies that same person at a more decisive point — when an ignition interlock requirement may be imposed or imminent as a condition of license reinstatement, restricted driving privileges, probation, or court and DMV compliance. In jurisdictions where disposition records are available, Leads For Lawyers provides IID providers with DUI conviction intelligence: a second, separately triggered source of prospective customers, drawn from the same daily harvest that captured the arrest.
Not every conviction carries an interlock requirement. Whether one applies, and when, depends on the state, the offense, blood-alcohol level, prior convictions, license status, and the rules of the court and licensing agency involved. What a conviction reliably marks is the stage — the point in the case where an interlock decision, if there is going to be one, stops being hypothetical.
Why conviction data matters
Weeks or months usually separate a DUI arrest from its resolution. Through that stretch the driver’s need for an interlock is possible; once a qualifying conviction is entered, it can become immediate. Most providers have no way to see that turn. The conviction record makes it visible — and the provider whose letter arrives in the days after disposition reaches the driver closer to the moment they will actually choose an installer and book a bay.
That is a second opportunity, not a replacement for the first. The arrest piece builds the name; the conviction piece arrives when the name is needed. Run together, they form a multi-stage acquisition program around the DUI lifecycle — the same offense-level targeting described for criminal defense, pointed at a different buyer.
// The DUI lifecycle
Two moments. One intelligence platform.
Most interlock marketing waits for a driver to search. Leads For Lawyers works from the legal events that create the demand in the first place — the arrest and the conviction — so your brand is present at both, with a personalized piece triggered by each.
- ARREST
- FIRST TOUCH
- COURT PROCESS
- CONVICTION
- REQUIREMENT
- INSTALLATION
01 · ARREST· MAIL TRIGGER
DUI arrest intelligence
The booking record is public within a day. A qualifying arrest triggers your first piece, mailed First Class the same day.
02 · FIRST TOUCH
Early outreach
Your brand reaches the driver before any search — calm and factual, while the case is open and no interlock decision has been made.
03 · COURT PROCESS
The case runs its course
Weeks or months pass. Most providers go quiet here. Your name has already arrived; the second trigger is waiting on the docket.
04 · CONVICTION· MAIL TRIGGER
DUI conviction intelligence
The disposition posts. In jurisdictions where conviction records are available, a qualifying conviction triggers a second personalized piece.
05 · REQUIREMENT
An interlock may now be required
Reinstatement, a restricted license, probation, or a court or DMV condition may make an interlock immediate. The rules vary; the stage does not.
06 · INSTALLATION
The bay gets booked
A QR code to your scheduling page and a tracked number to your nearest center. Each installation ties back to the piece that produced it.
// Capabilities
Real-Time Legal Intelligence™ for the ignition interlock industry
Both triggers run through the infrastructure that has served defense attorneys since 1992. Around the intelligence, Leads For Lawyers provides:
- Personalized direct-mail campaigns, designed to your brand
- Same-day campaign activation, where record availability permits
- QR codes linked directly to your installation scheduling
- Unique call-tracking numbers per campaign
- Geographic and campaign-level attribution
- Address verification and enrichment on every record
- Where a market publishes it, one added indicator per record — BAC, disposition, or prior-offense count — never assumed, never bundled
- State-, county-, offense-, and campaign-level segmentation
- Multi-touch arrest-to-conviction programs
Arrest intelligence identifies the opportunity. Conviction intelligence identifies the second moment to act. Leads For Lawyers connects both to outreach you can measure.
// Questions IID teams ask
Ignition interlock outreach, answered plainly.
What are ignition interlock leads?
Ignition interlock leads are prospective IID customers identified from recent DUI and DWI arrests — and, where disposition records are available, DUI convictions — rather than from web forms or search ads. Leads For Lawyers harvests those arrest records daily in every state and converts each qualifying record into a same-day personalized First-Class mail piece carrying the provider's brand — reaching the prospect before comparison shopping begins.
How do IID companies find DUI customers?
Most IID companies wait for DUI defendants to find them — through search ads, directories, and court or attorney referrals. Leads For Lawyers inverts that: the arrest record itself, published daily by sheriffs, police departments, and courts, triggers a personalized letter mailed the same day, putting the provider's brand in the defendant's hands before most competitors know the case exists.
What is DUI conviction intelligence?
DUI conviction intelligence is Leads For Lawyers' identification of drivers whose DUI cases have reached a qualifying conviction, in jurisdictions where disposition records are available. Because an ignition interlock requirement may be imposed or become imminent at conviction, that record marks a second, later point in the customer journey than the arrest — and triggers a second personalized mail piece under the IID provider's brand.
Does every DUI conviction require an ignition interlock?
No, and Leads For Lawyers does not claim it does. Whether an interlock is required, and when, depends on the state, the offense, blood-alcohol level, prior convictions, license status, and the rules of the court or licensing agency. What a conviction reliably identifies is the stage at which an interlock requirement may be imposed or imminent — which is what makes it a valuable outreach trigger.
How fast can an IID provider reach someone after a DUI arrest?
With Leads For Lawyers, the piece is composed and mailed First Class the same day the arrest record is collected, from the nearest of three regional mail houses. In most markets that puts the provider's letter in the mailbox while the defendant is still working out what happens next — often before any search begins.
Does Leads For Lawyers work with companies that aren't law firms?
Leads For Lawyers works with companies that aren't law firms — ignition interlock providers among them. It is built on daily arrest-record intelligence and national same-day mail production, infrastructure that serves IID providers as naturally as it has served defense attorneys since 1992. IID programs run alongside the attorney programs, and marketing agencies can bring the same capability to their own clients.
Can ignition interlock direct mail run alongside digital advertising?
Ignition interlock direct mail from Leads For Lawyers runs alongside digital advertising, and the two compound. The letter typically arrives before the defendant starts searching; when the search happens, your ads, reviews, and installer pages finish what the letter started. QR codes and tracked phone numbers on every piece show exactly which markets and campaigns produced the calls.
Is it legal to market ignition interlock devices to DUI defendants?
Marketing to people identified from public arrest records is a long-established, regulated practice — Leads For Lawyers has operated inside those rules since 1992. Requirements vary by jurisdiction and channel, and every campaign is structured around the applicable marketing and privacy rules of its market from the start, with the same discipline applied to attorney solicitation mail.
// Compliance
IID outreach uses public arrest records and follows the applicable marketing and privacy rules of each market it mails. Those rules vary by jurisdiction and channel; campaigns are structured around them from the start, with the same discipline applied to attorney solicitation mail since 1992.
See the arrests your brand is missing.
Tell us the states and counties you serve. We’ll map the daily DUI arrest volume, where conviction records are available, and what a pilot campaign there looks like.