Which scenario should Jeff, an insurance agent, be least concerned about?

The scenario where a regular client pays an insurance premium with cash is one that Jeff should be least concerned about because this practice can be common and acceptable in everyday transactions. Many clients prefer to pay in cash for various reasons, such as ease of payment or personal preference. This is typically not an immediate red flag in the context of money laundering concerns, especially since the client is a regular one, which suggests established trust and a history of legitimate transactions.

In contrast, the other scenarios present more potential indicators of suspicious behavior. For example, a client purchasing an insurance policy that seems unaffordable could suggest they're attempting to launder money, as they may use the policy to legitimize illicit funds. Similarly, a client terminating a single premium life policy shortly after issuance might indicate that they're trying to quickly convert insurance value into cash, another potential money laundering tactic. Borrowing cash from a life insurance policy shortly after issuance can also raise concerns since it could signal an intention to access funds tied to previously illegitimate earnings. Thus, paying a premium in cash, especially by a regular client, does not typically invoke the same level of scrutiny regarding laundered funds, making it the least concerning scenario.