The information provided above is only a generalized description of the problem of thefts of and from cars in parking facilities. You must combine the basic facts with a more specific understanding of your local problem. Analyzing your problem is essential for designing an effective response strategy.
You may be dealing with a single parking facility—either a deck or a lot—or with a group of facilities—perhaps a combination of decks and lots. Whatever the case, you will need to identify the specific nature of the problem, whether this is theft of cars, theft from cars, or both.
In most cases, the main problem will be theft from cars, and you should try to determine the kind of offenders involved (e.g., transients, drug addicts or juveniles). On the other hand, if the problem is mainly theft of cars, you will need to determine the purpose, whether for joyriding, for transport or for profit. The principal indicators of this are recovery rates,† though the model stolen will also help determine the purpose because, as mentioned, certain kinds of thieves favor certain models.10
† Police recover about 65 percent of stolen cars. This figure is even higher in jurisdictions where juvenile joyriding is the predominant type of car theft.
Knowing who is committing the offenses, and why, helps you decide how difficult they will be to stop. You will also need to understand how they commit the offenses. This will require a careful study of facility security.†† Comparing facilities can greatly assist in understanding the conditions that facilitate theft. Calculating theft rates per parking space will make your comparisons precise, though counting spaces can be very time-consuming if the parking lot operators or city does not keep records of the number of spaces per facility.
†† See Association of Chief Police Officers in England and Wales (n.d.) for guidelines for assessing security.
You may need to respecify the problem in light of this information. You may find that you need to focus on the largest component of theft, or on the facilities most at risk. For example, as mentioned, a detailed study of theft from downtown Charlotte parking facilities found that the problem was concentrated in lots, not decks.11 This meant that prevention could similarly be focused on lots.
Alternatively, you may decide that theft from parking facilities is part of a wider problem in your jurisdiction. In that case, the wider problem may need to be tackled, using remedies such as crackdowns on chop shops and pawnshops , or tightened controls at ports and border crossings.
The following are some critical questions you should ask in analyzing your particular problem of theft, even if the answers are not always readily available. Your answers to these and other questions will help you choose the most appropriate set of responses later on.
Measurement allows you to determine to what degree your efforts have succeeded, and suggests how you might modify your responses if they are not producing the intended results. You should take measures of your problem before you implement responses, to determine how serious the problem is, and after you implement them, to determine whether they have been effective. All measures should be taken in both the target area and the surrounding area. (For more detailed guidance on measuring effectiveness, see the companion guide to this series, Assessing Responses to Problems: An Introductory Guide for Police Problem-Solvers.)
The following are potentially useful measures of the effectiveness of responses to thefts of and from cars in parking facilities:
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