Security practitioners should express a healthy skepticism or caution towards CPTED developmental approaches as a result as ________.
1) The magnitude of a typical CPTED project which may surpass the practitioner's ability to plan and manage
2) Disagreements as to the correctness of the assumptions on which current CPTED programs are based
3) The cost of a typical CPTED project which may be well beyond the practitioner's ability to implement
4) All of the above