GUIDES & TRAINING
Learn to run the whole investigation.
Practical guides written for professional investigators — from comparing two witness statements to building a report that survives a lawyer. Complete and useful on their own; every method here is a way to surface leads, never to declare a verdict.
How to Compare Two Witness Statements (and What to Look For First)
A repeatable method for comparing two witness statements: what to read first, how to line up the accounts, and how to tell a contradiction from an honest gap.
The 10 Contradictions Checklist: What to Flag When Statements Don't Line Up
Ten things to flag when two accounts do not line up, with the innocent explanation to rule out first in every case.
How to Investigate Petty Cash Theft: The Imprest Method, Step by Step
How to investigate a petty cash shortfall using the imprest method: what to count, what to reconcile, and what the paper trail should show.
Bank Statement Analysis for Investigators: The Bank Deposits Method, Plainly
How investigators estimate unreported income from bank statements using the bank deposits method, and how to keep every figure rebuildable by a reviewer.
The Unexplained Wealth Toolkit: Net Worth and Source-and-Application Methods
The net worth and source-and-application methods for testing unexplained wealth, step by step, with the innocent explanations to rule out first.
How to Write an Investigation Report That Survives a Lawyer
What belongs in an investigation report, in what order, and the sections a lawyer will attack first if they are missing or loosely written.
Chain of Custody: A Practical Guide for Small Teams
How to keep a defensible chain of custody without a forensic lab: what to record, who signs what, and the gaps that get evidence excluded.
Workplace Investigations: Balance of Probabilities, Procedural Fairness, and Where They Go Wrong
What the balance of probabilities actually requires in a workplace investigation, how procedural fairness works, and where these investigations go wrong.
SCAN Statement Analysis: What It Is, What It Isn't, and the Leads-Not-Verdicts Rule
What SCAN statement analysis is, what the markers actually flag, where its real limits are, and why it produces leads to follow up and never a verdict.
Benford's Law and Four Other Tests That Surface Cooked Books
Benford's Law explained plainly, plus four other tests that surface gaps, duplicates and outliers in a set of financial records.
The Contemporaneous Diary: Why Cases Die Without One
What a contemporaneous investigation diary is, what goes in it, and why a case without one is far harder to defend months later.
Pressure-Testing Your Own Case Before the Defence Does
How to red-team your own investigation: the questions a defence lawyer will ask, and how to find the weaknesses in your office instead of in court.
How to Spot Contradictions in Witness Statements
How to find real contradictions between witness statements, tell them apart from ordinary memory differences, and record them so they hold up later.
Timeline Reconciliation: Building One Clear Sequence From Many Accounts
How to build one clear sequence of events from several accounts, mark how firm each time reference is, and see exactly where the versions stop agreeing.
Investigative Interviewing: The Questions That Actually Open a Case Up
The question types that open an account up, the ones that close it down, and how to plan an investigative interview in about fifteen minutes.
Chain of Custody for Digital Evidence (Photos, Phones, Exports)
How to handle photos, phones and data exports so the digital evidence still stands up: hashing, copies, records and the mistakes that break the chain.
Preparing a Case for Prosecution: The Handover Pack That Holds Up
What a prosecutor needs in a handover pack, how to structure the exhibits and annexures, and the omissions that send a file straight back to you.
The Polygraph Pre-Test Statement: Getting a Clean Written Account First
Why a clean written account should come before a polygraph examination, what the pre-test statement should contain, and how to take one properly.
Workplace Investigations in South Africa: CCMA, Fairness and the Paper Trail
How workplace investigations work in South Africa: what the CCMA expects, what procedural fairness means in practice, and the paper trail you need.
Petty Cash Reconciliation: The Imprest System Explained for Non-Accountants
The imprest petty cash system explained for people who are not accountants, and how to reconcile a float so a shortfall shows up clearly.
Protecting an Identity in an Investigation File: Child Victims, Whistleblowers and Anonymous Sources
How to keep a child victim, whistleblower or anonymous source out of your reports without weakening the case: what to withhold, what you cannot, and the check.