Which red flag should prompt additional transactional review?

A bank compliance officer has implemented enhanced monitoring rules that have identified some unusual activity that may be indicative of human trafficking.

Which red flag should prompt additional transactional review?
A . Wire transfer activity from countries with significant migrant populations
B. Cash deposits that occur in cities where the customer resides and conducts business
C. Cash deposits that occur in cities where the customer does not reside or conduct business
D. Cash deposits that occur in cities where the customer does not reside or conduct business followed by same-day withdrawals

Answer: D

Explanation:

A customer’s account appears to function as a funnel account whereby cash deposits occur in cities/states where the customer does not reside or conduct business. Frequently, in the case of funnel accounts, the funds are quickly withdrawn (same day) after the deposits are made