Final answer:
Carjackings are true to be a combination of robbery and vehicle theft, as they involve stealing a car by force or intimidation. High auto theft rates in specific areas are influenced by factors such as urban density and vehicle availability.
Step-by-step explanation:
Carjackings indeed involve both robbery and vehicle theft, making Option 1: True. Robbery is a crime that typically involves force or intimidation to steal property directly from a person, and when a vehicle is taken in this manner, it is considered vehicle theft as well. Factors contributing to higher rates of auto theft in areas like California may include aspects like higher urban population densities, more cars per capita, and heterogeneous and transient populations which can lead to higher crime rates as suggested by the provided data and figures showing auto theft rates by states, high traffic areas, and commercial corridors as hot spots for car thefts.
Regarding the scenario involving suspects of an armed robbery, law enforcement faces the challenge of gathering sufficient evidence to prove the more serious charge of armed robbery. Similarly, identity theft is another form of crime where personal information is illegally obtained and used to commit fraud or theft, including the unauthorized purchasing of expensive items such as vehicles.