Predicate offenses are the criminal activities that generate the proceeds that are later laundered through money laundering schemes. A country that does not have strong predicate offenses and is lax in prosecuting AML cases could suffer from increased organized crime and corruption, as criminals would have more opportunities and incentives to engage in illicit activities and evade detection and punishment. Organized crime and corruption can have serious social and economic consequences for a country, such as undermining the rule of law, eroding public trust, threatening national security, harming human rights, reducing economic growth, and distorting market competition123.
References:
CAMS Certification Package - 6th Edition | ACAMS
Understanding Predicate Offences: The Hidden Web of Money Laundering
Predicate Offenses In Money Laundering - Financial Crime Academy
AML Terms Easily Confused: Predicate Offense vs. Money Laundering

Cryptocurrency is a digital or virtual currency that uses cryptography to secure and verify transactions.
Cryptocurrencies are decentralized and operate outside the control of any central authority, such as a government or a bank. This makes them attractive for money launderers, who can use them to transfer funds anonymously, quickly, and globally, without leaving a trace or being subject to regulation. Cryptocurrencies pose more risk of money laundering than other sources of money, such as wire transfers, credit cards, or money service businesses, which are subject to more oversight, verification, and reporting requirements.
CAMS Study Guide, 6th Edition, Chapter 1, Section 1.9, page 37
CAMS eLearning Course, Module 1, Lesson 9
ACAMS Crypto Hub
Reference: https://complyadvantage.com/knowledgebase/money-laundering-crypto-exchanges/

According to the Basel Committee on Banking Supervision guidelines, the internal audit functionshould evaluate the adequacy and effectiveness of the bank's compliance function and its compliance risk management framework1. This includes assessing the compliance risk inherent in the bank's activities, products, services, and systems, as well as the compliance policies, procedures, controls, and reporting mechanisms2. The internal audit function should also review the transactions and records of the bank to ensure compliance with applicable laws, regulations, and internal standards3.
The other statements are incorrect because:
B). An internal audit program of adequacy of the bank's compliance function should be established, but should not include review of transactions. This statement is false because the internal audit function should review the transactions and records of the bank to ensure compliance, as mentioned above3.
C). The compliance function and internal audit function should be combined. This statement is false because the compliance function and the internal audit function should be separate and independent from each other, to avoid conflicts of interest and ensure objectivity and credibility.
D). The auditors should not discuss internal audit findings with compliance management to maintain independence. This statement is false because the internal audit function should communicate and coordinate with the compliance function on a regular basis, to share information, insights, and recommendations, and to avoid duplication of work. However, the internalaudit function should maintain its independence and report directly to the board of directors or the audit committee.
1: The internal audit function in banks, Principle 10, p. 9
2: The internal audit function in banks, Principle 10, p. 10
3: The internal audit function in banks, Principle 10, p. 11
The internal audit function in banks, Principle 2, p. 4
The internal audit function in banks, Principle 10, p. 11

RefThis transaction should result in a SAR/STR filing because it indicates possible structuring, which is a form of money laundering that involves breaking down large amounts of cash into smaller deposits to avoid detection or reporting requirements. Structuring is often done to conceal the source or destination of illicit funds, or to evade taxes, regulations, or sanctions. A small business owner who deposits checks just below the
$10,000 USD threshold on a daily basis without providing a legitimate purpose raises a red flag for suspicious activity and should be reported to the relevant Financial Intelligence Unit.
Suspicious Transaction Report (STR) / Suspicious Activity Report (SAR)
What Is a Suspicious Activity Report (SAR)? Triggers and Filing
How to decide if SAR filing is needed
erence: https://aml-cft.net/library/suspicious-transaction-report-str-suspicious-activity-report-sar/

The main objective when a financial institution (FI) conducts an investigation is to track the movement of the money. Money laundering is a process of disguising the proceeds of criminal activity to make them appear legitimate. The movement of money is an essential element in the process of money laundering. Therefore, tracking the movement of funds is a crucial step in identifying and preventing money laundering. A financial institution must be able to recognize suspicious transactions and report them to the relevant authorities. An investigation is conducted to gather evidence and establish a clear understanding of the transaction flow, the parties involved, and the nature of the activity. This information is used to determine if the transaction is suspicious and if it violates any laws or regulations.
While keeping policies and procedures updated, keeping documentation, and knowing the customer are essential components of a comprehensive anti-money laundering (AML) program, these activities are not the primary objective of an investigation. Policies and procedures need to be updated to reflect changes in regulatory requirements and emerging money laundering risks. Documentation must be retained to provide evidence of the investigation process and outcomes. Knowing the customer is essential to identify and verify the customer's identity and assess the risk associated with the relationship.
ACAMS Study Guide for the CAMS Certification Examination - 6th Edition, Chapter 3: AML Programs, Section 3.2: AML Program Components, Subsection 3.2.4: Transaction Monitoring and Investigation, pp. 87-
88
Main Objective of Conducting Investigations - exam-answer.com