FATF Recommendation 29 states that an FIU should serve as a national center for the receipt and analysis of suspicious transaction reports and other information relevant to money laundering and terrorist financing.
"The FIU should serve as a national center for the receipt and analysis of suspicious transaction reports (STRs) and other information relevant to ML/TF, and for the dissemination of the results of that analysis." (CAMS 6th Edition, Role of the FIU; FATF Recommendation 29) References:
CAMS 6th Edition, Financial Intelligence Units
FATF Recommendation 29

https://egmontgroup.org/en/content/about
"The Egmont Group is a united body of 165 Financial Intelligence Units (FIUs). The Egmont Group provides a platform for the secure exchange of expertise and financial intelligence to combat money laundering and terrorist financing (ML/TF). This is especially relevant as FIUs are uniquely positioned to cooperate and support national and international efforts to counter terrorist financing and are the trusted gateway for sharing financial information domestically and internationally in accordance with global Anti Money Laundering and Counter Financing of Terrorism (AML/CFT) standards.

The customer's business activity as a domestic carpet cleaning company is not inherently suspicious, as it aligns with their registered business. However, the significant weekly transactions from an international reputable antique auction house raise red flags.
The sudden increase in the customer's initial international receipt from $15,000 USD to an average of
$30,000 USD per transaction per week is also noteworthy. Such a substantial change warrants further scrutiny.
The fact that 90% of the incoming deposits are matched by cash outgoings to non-related individuals could indicate layering or structuring activities associated with money laundering.
Overall, the combination of large international transactions, increased receipts, and cash outflows to unrelated parties from an antique auction house is the most concerning aspect.
References:
Anti-Money Laundering Specialist (the 6th edition) resources.
ACAMS AML Glossary (definitions of terms related to AML).1
ACAMS AML Foundations Certificate (overview of AML concepts and responsibilities).2 ComplyAdvantage: 6th Money Laundering Directive (6AMLD) (details on AML regulations and penalties).3

Having inadequate privacy policies and procedures can expose an organization to legal risks such as industry or regulatory sanctions and charges of deceptive business practices. Industry or regulatory sanctions can result from violating the laws and regulations that govern data privacy and protection, such as the GDPR, the CCPA, or the GLBA.These sanctions can include fines, penalties, injunctions, or revocation of licenses.
Charges of deceptive business practices can arise from misleading or false statements about how the organization collects, uses, or discloses personal data, or from failing to comply with its own privacy policies and procedures. These charges can lead to lawsuits, settlements, or enforcement actions by authorities such as the FTC or the state attorneys general.
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The 4 Biggest Risks of Non-Compliance With Data Privacy Regulations
Security and privacy laws, regulations, and compliance: The complete guide An Ethical Approach to Data Privacy Protection

When investigating an AML event, the following techniques would be used to investigate suspected mule accounts:
A). Determine if the suspected accounts are being accessed by a common person, telephone number, or device.
This can help identify if the accounts are controlled by the same person or group, or if they are part of a larger network of mules. It can also help detect if the accounts are opened using synthetic identities or stolen credentials12.
B). Reconcile the stated purpose of the account with actual transaction history and compare with peer groups.
This can help assess if the account activity is consistent with the customer profile, risk rating, and expected behavior. It can also help identify anomalies, such as sudden changes in transaction patterns, large or frequent transfers, or transactions with high-risk jurisdictions or entities12.
E). Establish the frequency with which the funds are moved in and out of the accounts. This can help measure the velocity and volume of the funds flowing through the accounts, which can indicate if the accounts are used for layering or integration of illicit funds. It can also help detect if the accounts are used for smurfing, which is a technique of breaking down large amounts of cash into smaller deposits to avoid detection or reporting thresholds13.
References:
CAMS Study Guide (the 6th edition), page 1841
Mule accounts: how to track them down - Linkurious2
Money Mules - FBI3