Investigating financial fraud: the signals that precede the numbers

The truth at the centre of the Nidec case 

A third-party investigation eventually surfaced the full picture. But the fraud didn't materialise overnight. The conditions that made it possible; excessive pressure to hit targets, a culture in which people who knew the truth didn't speak up, management complicity at multiple levels, had been present for many years.

The pattern in the Nidec case is not unusual. What varies is the industry, the geography, the specific technique. What doesn't vary is this: fraud at scale is never just about the numbers. It's about a system of behaviour that the numbers eventually reflect. Here's what that system looks like and how to spot it before the restatement arrives.

The signals that precede the numbers 

Forensic accountants are often brought in after something has already gone wrong. But one of the most useful things I can tell any CFO, audit committee chair or general counsel is that the warning signs are almost always there before the event. They're just not in the income statement.

• Pressure that disconnects from reality: The Nidec investigation pointed clearly to excessive pressure to achieve targets as a root cause of the misconduct. In our experience, the tell isn't just that targets are ambitious, it's when the gap between what's being asked and what's commercially plausible becomes wide enough that people stop believing it's closeable. For example, ask a sales team to deliver double-digit growth in a flat or contracting market, and some may conclude that the only way to reconcile the target with reality is to pull revenue forward from the next period. Once that starts, each period will inherit a bigger hole than the last.
• Watch for the point at which management stops questioning the number and starts managing to it. That shift from "how do we achieve this?" to "how do we report this?" is a fundamental change in orientation. It often happens gradually, which is precisely what makes it dangerous.
• Deflection where explanation should be: When we interview people as part of an investigation, we're listening as much for what isn't said as what is. Executives who have something to hide tend to answer questions about specific transactions with answers about general processes. They describe policy rather than events. Good finance professionals, by contrast, can usually take you through a specific journal entry and explain the commercial reality behind it. When that granularity is absent, it's worth asking why.
• Journal entry patterns at period end: This is where the forensic accountant's technical toolkit earns its keep. Fraudulent financial reporting very commonly concentrates in the days immediately before period end: manual journal entries, unusual revenue recognition timing, cost deferrals that lack supporting documentation. Automated journal entry testing across large datasets can surface these patterns quickly. The question is whether anyone is looking for them proactively, rather than waiting for a whistleblower or an external trigger.
• Auditors being told one version, staff experiencing another: One of the most consistent features of fraud investigations is the gap between what senior management presents to the board and the experience below that level. In the Nidec case, the investigation found that personnel were aware of the improper accounting but stayed silent. That gap between the narrative at the top and the reality in the business is something a well-run external audit or internal audit function should be designed to bridge. When the two versions never diverge, that's not necessarily reassurance. It may mean the bridge isn't being crossed.

A system, not a series of mistakes 

One of the most striking features of the Nidec investigation is the volume of misconduct. Profits were inflated by over $1bn over multiple years and more than 1,000 cases of alleged quality and manufacturing misconduct were also identified. This wasn’t just the actions of a lone bad actor. It was a distributed pattern of behaviour, replicated across the organisation in response to the same stimulus. This is important for two reasons:

1. The fraud was systemic rather than opportunistic. Opportunistic fraud is committed by individuals who see a chance and take it. Systemic fraud is committed by people who have concluded — often correctly, given the incentive structure around them — that there is no other way to meet expectations. The moral agency is distributed. Responsibility is diffuse. And that makes it much harder to unwind, because there's no single point of failure to fix.
2. The conventional response of investigate, discipline, and move on, is insufficient. If the culture that generated the behaviour remains intact, the behaviour will return. This is why, in any serious investigation, the recommendations on recurrence prevention matter as much as the findings on what happened. The Nidec board has acknowledged this. The question for other organisations is whether they're asking the same questions now, rather than waiting for their own investigation report.

Building a robust fraud risk assessment

Many organisations have a fraud risk assessment process in place. Fewer have one that is useful. The box-ticking version identifies risks at a high level - misappropriation of assets, financial statement fraud, bribery and corruption and assigns them a likelihood and impact score. It often concludes that controls are adequate and will then be filed and reviewed annually.

A genuine fraud risk assessment does something different. It starts with the specific pressure points in the business: where are targets tightest? Where is management discretion broadest? Where are controls thinnest relative to the volume and value of transactions? It asks what the incentive is to misstate, not just whether the opportunity exists. And it tests whether the controls that are supposed to mitigate the risk are operating, not whether they exist on paper.

In a group with the geographic and operational complexity of Nidec, that means going beyond headquarters. It means testing the control environment in subsidiaries and business units, not just reviewing group-level policies. And it means doing so with sufficient independence from local management to get an honest picture. None of this is new. It is, however, resource-intensive and sometimes uncomfortable. The organisations that invest in it tend to find problems earlier and at smaller scale. The organisations that don't find problems later, and often with a third-party committee in the room. 

The distinction that matters most 

The combination of technical skill, commercial understanding and genuine independence is what separates a forensic review from a compliance exercise. It's also what separates organisations that catch these things early from those that don't catch them at all. The Nidec case is a reminder of what's at stake when that combination is absent. It's also, for those willing to look, a blueprint for what to put in place.

If you’d like to discuss whether your organisation’s fraud risk framework is fit for purpose, please contact Tristan Yelland.