Criminal investigations rarely fail for lack of facts — they stall when facts refuse to sit still long enough for a team to see how they connect. Case notes live in one system, CCTV stills in another, phone extracts in a third, and the whiteboard photo from last Tuesday already lies. When a new associate or vehicle appears, briefing the room means reconstructing the story verbally. Edges get forgotten, and duplicated names quietly become two people — or one person treated as two. linkchart gives investigators a living case board: people, vehicles, addresses, phones and events as structured cards with labelled links. Briefings walk the canvas, handovers stop inventing the network from memory, and every new lead updates the same shared map.
Why a real link chart for criminal investigation
Most people start this work with tools that were never designed for networks. Documents narrate. Spreadsheets tabulate. Whiteboards photograph poorly and refuse to scale. A dedicated criminal investigation link chart approach treats every person, place, asset and event as a node — and every meaningful connection as an edge you can label, question and revise.
That shift matters because decisions in criminal investigation are rarely about a single record. They are about patterns: who introduces whom, which address keeps appearing, which phone bridges two clusters, which event changed the shape of the network. linkchart exists so those patterns stay visible while you work, not only in the final slide.
Teams searching for a criminal investigation link chart, police relationship mapping tool or digital case board need more than sticky notes. linkchart.art provides structured entities and labelled connections so investigative networks stay clear from first report to court prep.
Who this map is for
Detectives, analysts, and case officers who need a defensible link chart that survives briefing, disclosure, and handoff.
The signature move on the canvas: Separate confirmed links from suspected ones with disciplined edge language, and pin every critical claim to a source note on the card or line.
What belongs on the map
Every criminal investigation link chart gets noisy when the wrong things dominate the board. Prioritise these domain-specific anchors before decorative extras:
- Subjects, victims, and associates
- Addresses, vehicles, and phones
- Timeline events and sightings
- Evidence items tied to people or places
Sample relationship labels
Prefer short, scannable edge text. Useful starters for this domain include: associated with, seen with, registered to, called, last seen at, suspected associate of.
Your first week on this canvas
Open the map with the offence question written in notes. Load only the people and locations already named in the initial report. Draw edges you can defend today; mark everything else as suspected. Midweek, add phones and vehicles that bridge clusters. Before the first supervisory briefing, prune decorative clutter and ensure every red-hot link has a source. By week’s end the canvas should answer who connects to what, what remains unknown, and where the next enquiry should land. Document why each card earned its place so the criminal investigation board does not drift into decoration.
What not to do
Do not turn the chart into a conspiracy mural of weak associations. Avoid implying guilt from proximity alone. Never omit uncertainty labels to make the brief look cleaner. Do not share the live map more widely than case policy allows — viewer links are not a substitute for access control. If an edge cannot be explained in one plain sentence, it is not ready for a briefing view of your criminal investigation map.
What success looks like
A strong investigation chart shortens briefings, survives analyst rotation, and makes disclosure conversations concrete. Supervisors see patterns without reading every statement, and new actions emerge from missing bridges rather than hunches whispered in a corridor. When someone new opens the criminal investigation canvas, they should grasp the live question, the strongest links, and the next check within minutes. That is the operational definition of a successful criminal investigation link chart on linkchart.
How to use linkchart for criminal investigation
You do not need a special template to begin. Open the linkchart app, create a map, and build outward from the question you must answer. The workflow below is a proven path for people doing criminal investigation who want speed without losing structure.
- Open a map named with the case reference and keep one canvas as the working board.
- Add person cards for victims, suspects and associates with status notes that mark confidence.
- Link vehicles, phones and addresses with precise labels such as registered to, last seen at, called.
- Place key incidents as event cards and connect everyone and everything present.
- Record source quality in notes so hypotheses stay distinguishable from confirmed facts.
- Share viewer access with supervisors and partner units so briefings use one chart.
As the map grows, resist the urge to make it decorative. Beauty comes from clarity: consistent card titles, honest labels, and notes that explain uncertainty. A slightly ugly accurate chart beats a pretty misleading one every time — especially when criminal investigation work has consequences.
Entity types that shine for this use case
linkchart supports investigation-ready cards you can reuse across domains. For criminal investigation, start with these and expand only when a new type earns its place on the canvas:
Person Vehicle Address Phone Event Company
Person and organisation cards carry identity. Addresses anchor geography. Phones and communication profiles expose bridges between clusters. Events give you time. Vehicles and items capture the physical world that criminal investigation narratives often depend on. Together they form a vocabulary you can teach a teammate in minutes.
Real-world scenarios
Night-time assault with a fleeing vehicle
Witnesses disagree on the plate, but three of them mention a dark hatchback near the same takeaway. You place the venue as an address card, the approximate vehicle as a card with competing plate notes, and each witness as a person linked to what they claimed to see. Phone cards from a later subscriber check sit beside the car. When ANPR finally resolves the plate, one update collapses three competing hypotheses into a single path the team can brief before dawn.
Multi-defendant conspiracy file
Six defendants, overlapping addresses and a shared solicitor create a fog of who actually knew whom. Mapping defendants, addresses, company fronts and meeting events shows two clusters that barely touch — and one person bridging both. Counsel and case officers stop arguing from different memory maps. Disclosure prep becomes a walk through labelled edges rather than a scavenger hunt across folders. Disclosure teams later thank the labelled edges when unused-material questions arrive under time pressure.
Handover between night and day teams
The night team logged a new phone and a garage visit at 03:40. Instead of a paragraph buried in the log, they add cards and links before shift end. The day team opens the canvas, sees the fresh edges, and prioritises the garage without a ten-minute verbal archaeology session. Continuity becomes visual, which is exactly what tired investigators need. Partner units inherit the living chart instead of a stale PDF exported the week before the breakthrough.
Across these scenarios the constant is the same: when criminal investigation information stays trapped in siloed files, people argue about memory. When it lives as a labelled network, people argue about evidence — which is exactly where productive work happens.
Field practices that keep maps trustworthy
- Separate confirmed facts from working hypotheses with explicit labels or status notes.
- Name cards with unique identifiers when common names collide.
- Keep a timeline cluster of events so chronology stays readable beside the network.
- Review the whole map before charging decisions — missing edges are easier to spot visually.
Common pitfalls
- Do not treat a drawn link as proof — the label and source note carry the claim.
- Avoid dumping every peripheral name onto the board without a reason for inclusion.
- Never share operational maps beyond people cleared for the investigation.
Compared with slides, whiteboards and generic diagram tools
Slide software is excellent for presenting a finished argument and poor at hosting an evolving network. Whiteboards are wonderful for a one-hour workshop and hostile to long-running criminal investigation work. Generic diagrammers can draw boxes and arrows, yet they rarely treat investigative entities as structured records with fields your team actually fills in. linkchart sits in the gap: fast enough for a working session, structured enough for a case file, visual enough for a briefing.
FAQ: Criminal investigation
Can linkchart replace our case management system?
No. It complements CMS tools by making relationships and timelines visually inspectable. Keep formal records where policy requires them.
How do we show uncertain links?
Label edges as alleged, possible or unconfirmed and explain the basis in the card notes so doubt stays visible.
Is this suitable for multi-agency work?
Yes, when access controls allow. Shared viewer maps reduce conflicting briefings across forces or units.
What entities matter most at the start?
Start with people, phones, vehicles and addresses tied to the offence, then grow outward as evidence arrives.
Related ways to use linkchart
Ready to build your own criminal investigation link chart? Open linkchart, place your first cards, and let the network tell the story you have been trying to hold in your head.