Final answer:
Link Analysis is used to identify relationships in fraudulent activities such as identity theft, allowing investigators to trace connections between transactions and the misused identity.
Step-by-step explanation:
When investigating fraud, the type of analysis used to identify relationships between credit transactions, people, accounts, and events is known as Link Analysis.
This method is particularly useful in cases of identity theft or True-name Fraud, where an unauthorized individual wrongfully obtains and utilizes a consumer's personal identification and financial information. By using Link Analysis, investigators can trace and understand the complex connections between fraudulent activities, tracing how a stolen identity is used to deplete savings and accrue substantial debts through various transactions.