Patrol Work Flashcards
Examples of patrol strategies
Foot patrol, motor vehicle patrol (car, helicopter, ATV/motorcycle, etc.), mounted patrol, bike patrol, drone patrol, remote (CCTV) patrol, undercover/plainclothes
Effects of patrols?
Each type of patrol more effective in certain environments; also have effect on public perception (bike patrols have significant positive effects)
Routine Activities Theory
Crime most likely to occur when motivated offender & suitable target intersect in time and space in the absence of a capable guardian
Motivated offender
Person who wishes to commit a crime in the present moment
Suitable target
Any person/thing that a crime can be committed against
Capable guardian
Person/thing that could identify/prevent crime from happening in any way; police considered as filling this role, but objects can also fill it (alarms, cameras, etc.)
Deterrence Theory
Effective capable guardians can deter/prevent crime; people are most likely to commit crime when benefits of doing so outweigh the costs, therefore making costs outweigh the benefits should (in theory) deter crime
Spatial displacement
Displacing crime in terms of location (i.e. preventing someone from speeding down one road, but they speed up on another one)
Temporal displacement
Displacing crime in terms of time (i.e. preventing someone from speeding down a road in the morning, but they speed down it later that day)
Kansas City Preventative Patrol Experiment overall description?
Designed to analyze effectiveness of routine preventative patrol (was the most comprehensive experiment done at the time); experiment performed by Kellen in 1972; Kansas City divided into 3 groups assigned to different levels of patrol; data was collected through surveys, crime data, arrest data, and observational data
Kansas City Preventative Patrol Experiment groups?
Reactive (No routine patrol; officers entered beats only when called for service); Proactive (2-3x more patrols than usual); Control (Regular amount of patrol); reactive + proactive beats separated by at least one district
Kansas City Preventative Patrol Experiment results?
Differences in patrol did not significantly affect crime rates or citizens’ levels of fear/crime reporting; suggested that routine preventative patrol did not impact crime, but officers would frequently break the rules of the study and the size of the beats were too large to be measured properly
Minneapolis Hot Spots Policing Experiment overall description?
Conducted by Sherman & Weisburd in 1993; pondered if crime was concentrated in certain places, would directing police to those places impact crime?; identified 110 hot spots (small high-crime clusters of addresses) and assigned half to control treatment and half to experimental treatment (intense, intermittent patrol during ‘hot times’)
Minneapolis Hot Spots Policing Experiment results?
Exp. sites recieved 2x more observed patrol presence; total crime calls reduced by 6-13%, observed disorder reduced by 50%; suggested increased patrols in hot spots can reduce crime and disorder
Minneapolis Hot Spots Policing Experiment problems?
Officer boredom led to them leaving their assigned spots; may have displaced crime rather than prevented it; little insight into officer actions