Yes. Frontier is more than a border. It's the land around or beyond the border. It can also be unsettled or unclaimed land that on the edge of what is known or settled, a place that is in the process of being (or which has yet to be) explored and settled. The definition expends beyond land to "an undeveloped are or field for discovery or research".
frontier. The American Heritage® Dictionary of the English Language: Fourth Edition. 2000.
The new frontier in your example is new and unexplored areas/possibilities for crime.NOUN: 1a. An international border. b. The area along an international border. 2. A region just beyond or at the edge of a settled area. 3. An undeveloped area or field for discovery or research: theories on the frontier of astrophysics.