A study from George Mason University took a multi-site survey of the implementation of new technologies at US police agencies and delivered some interesting insights.
Of note for me, were the psychological preferences of officers to new technologies. For example, it was found that police are eager to take on new technologies if they assist with ‘traditional’ policing goals to catch the offender. However, officers are more reluctant to take on new technologies for purposes such as reducing crime or achieving other aims like improving legitimacy within the community .
Full study available here.