Final answer:
A bank robber who uses their own vehicle to escape after committing the crime is attempting a fast getaway and evasion of law enforcement. The pursuit of such robbers often involves a large search area. However, the reality is that most money in banks today is not physical cash but electronic records.
Step-by-step explanation:
When discussing a bank robber that uses their own vehicle to escape the scene of the crime, we are typically referring to a form of bank robbery where the individual or individuals involved have planned a quick escape using a personal mode of transportation. This is often seen in movies and is a tactic used to attempt to evade law enforcement by merging into the flow of regular traffic, thus making it harder to be tracked down. In the context of the information provided, it is crucial to understand that while the iconic image of a bank robber may involve stolen stacks of bills, in reality, most money today is in the form of electronic records in bank accounts, not physical cash easily taken by a thief.