Budget constraints have made police officials consider reassigning a considerable number of officers from traffic enforcement to work on higher-priority, serious crimes. Reducing traffic enforcement for this reason would be counterproductive, however, in light of the tendency of criminals to use cars when engaged in the commission of serious crimes. An officer stopping a car for a traffic violation can make a search that turns up evidence of serious crime. Which of the following, if true, most strengthens the argument given? ['When the public becomes aware that traffic enforcement has lessened, it typically becomes lax in obeying traffic rules.', 'The great majority of persons who are stopped by officers for traffic violations are not guilty of any serious crimes.', 'Those willing to break the law to commit serious crimes are often in committing such crimes unwilling to observe what they regard as the lesser constraints of traffic law.', 'The offenders committing serious crimes who would be caught because of traffic violations are not the same group of individuals as those who would be caught if the arresting officers were reassigned from traffic enforcement.']