It is hard to see much that microscopy, x-rays, database technology, microbiology, infrared imaging, MRI, or numerous other technologies have contributed to criminal enterprises; they have, however, given the police a host of techniques for tracking, identifying, and monitoring both people and physical objects. On balance, the impact of technology is so weighted on the side of law enforcement as to make it remarkable that crime has survived at all.

Whitfield Diffie and Susan Landau, Privacy on the Line: The Politics of Wiretapping and Encryption, Updated and Expanded Edition, page 137.