The assignment discusses the importance of data analytics in detecting and preventing criminal activities. It highlights two instances where financial institutions were penalized by FinCEN for violating anti-money laundering laws: Merchants Bank of California was fined $110 million, while BTC-e Virtual Currency Exchange was also fined $110 million for facilitating ransomware and dark net drug sales. The text emphasizes the role of data analytics in identifying patterns and relations to prevent criminal activities before they occur.