AML Fundamentals — A Beginner's Guide
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Key Insights
- Understand money laundering stages, the AML regulatory framework, KYC requirements, suspicious activity red flags, and real-world detection techniques.
Money laundering is the process of making illegally obtained funds appear legitimate. Each year, an estimated $800 billion to $2 trillion is laundered globally — roughly 2–5% of global GDP. Understanding how this works and how to counter it is the foundation of financial crime compliance.
What is Money Laundering?
Money laundering transforms "dirty money" (proceeds from crime) into "clean money" that can be used without raising suspicion. The activity is not a single event but a three-stage process designed to sever the link between the crime and the funds.
The Three Stages
1. Placement
The launderer introduces illicit funds into the financial system. This is the most vulnerable stage — large cash deposits, foreign wire transfers, or purchasing high-value assets (real estate, art, luxury goods). Banks use Currency Transaction Reports (CTRs) and Suspicious Activity Reports (SARs) to flag unusual patterns.
2. Layering
The funds are moved through complex transactions to obscure the audit trail. Typical layering techniques include: wiring money through multiple accounts in different jurisdictions, trading through shell companies, over-invoicing trade transactions, and using cryptocurrency mixers. Layering is the hardest stage to detect because the transactions often appear legitimate in isolation.
3. Integration
The now-cleaned funds re-enter the legitimate economy. The launderer can spend, invest, or hold the money openly. At this stage, the funds are indistinguishable from legitimate wealth, making prosecution extremely difficult unless the earlier stages were documented.
The AML Regulatory Framework
Anti-Money Laundering (AML) regulations require financial institutions to implement three lines of defense:
- Know Your Customer (KYC): Verify customer identity, understand the nature of their business, and assess risk level before onboarding.
- Transaction Monitoring: Screen all transactions against watchlists, sanctions lists, and behavioral baselines to detect suspicious patterns.
- Reporting: File Suspicious Activity Reports (SARs) with financial intelligence units when red flags are triggered.
The Financial Action Task Force (FATF) sets global AML standards, which are implemented locally by regulators such as FinCEN (US), the FCA (UK), and the European Banking Authority.
Red Flags in Practice
Common AML red flags include: structuring deposits just below reporting thresholds ($10,000 in the US), rapid movement of funds through unrelated accounts, transactions inconsistent with the customer's known business, and customers from high-risk jurisdictions without economic rationale. Machine learning models now supplement rule-based systems by detecting subtle, non-obvious patterns that would escape manual review.
In the next lesson — AML Knowledge Check — you can test your understanding of these concepts with interactive quiz questions.
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Feynman Concept Cards
Master each building block: read the ELI5, explore the analogy, work the example, find your gaps, teach it back, build it.
AML Compliance Principles is a concept in foundations. In simple terms, AML Compliance Principles covers foundational knowledge in Compliance. This compliance concept addresses key topics in the foundational knowledge in compliance domain. Also known as: compliance basics
Analogy
Example
Find Gaps
Explain AML Compliance Principles as if teaching a colleague who is new to foundations. Cover: what it is, how it works, and why it matters.
Create
Create a diagram that demonstrates AML Compliance Principles in a real-world foundations scenario. Walk through your design decisions.
Show solution
A diagram for AML Compliance Principles should include: 1. The core components of aml compliance basics 2. How they interact 3. Expected outcomes or outputs
Regulatory Technology is a concept in regtech. In simple terms, Regulatory Technology covers regulatory technology for Compliance. This compliance concept addresses key topics in the regulatory technology for compliance domain. Also known as: RegTech. Related conc
Analogy
Example
Find Gaps
Explain Regulatory Technology as if teaching a colleague who is new to regtech. Cover: what it is, how it works, and why it matters.
Create
Create a code that demonstrates Regulatory Technology in a real-world regtech scenario. Walk through your design decisions.
Show solution
A code for Regulatory Technology should include: 1. The core components of regtech 2. How they interact 3. Expected outcomes or outputs
Feynman Synthesis — Prove You Understand
1. The One-Pager
Explain this lesson's core idea to a smart 15-year-old. No jargon allowed.
2. The Gap Map
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Knowledge Check
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Hands-On Lab
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Flag a Currency Transaction Report (CTR) trigger
BeginnerUS regulations require a Currency Transaction Report (CTR) for cash deposits over $10,000. Write a query that lists the customer name, jurisdiction, and amount for every cash deposit strictly greater than $10,000, ordered by amount descending.
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