The Power of Analysis of Incident-based Data

Uniform Crime Reporting ProgramFederal Bureau of Investigation

Effective Policy Decisions

Cynthia Barnett-RyanCrime Analysis, Research and Development Unit

Nashville-Davidson and Its Surrounding Counties

Cheatham

WilliamsonRutherford

Wilson

Sumner

Robertson

Davidson

Methodology

2000 NIBRS data

Drug/Narcotic offenses by Type Criminal Activity

Mapped to place and analyzed monthly.

Data compared to the general experience of the seven counties around Nashville.

Criminal Activity Recoded Into Two Categories

User-Related Drug Activity Buying/Receiving Possessing/Concealing Using/Consuming

Dealer-Related Drug Activity Cultivating/Manufacturing Distributing/Selling Operating/Promoting/

Assisting Transporting/

Transmitting/Importing

User-related Drug Activity

0.0

10.0

20.0

30.0

40.0

50.0

60.0

70.0

80.0

90.0

100.0

January February March April May June July August September October November December

Ave

rag

e R

ate

per

100

,000

Dealer-related Drug Activity

0.0

5.0

10.0

15.0

20.0

25.0

January February March April May June July August September October November December

Ave

rag

e R

ate

per

100

,000

Average Monthly Drug Activity

0.0

10.0

20.0

30.0

40.0

50.0

60.0

70.0

80.0

90.0

100.0

January February March April May June July August September October November December

Ave

rag

e R

ate

per

100

,000

0.0

5.0

10.0

15.0

20.0

25.0

User Dealer

User-Related Drug OffensesJanuary

Goodlettsville

Dealer-Related Drug OffensesJanuary

Lebanon

Greenbrier

User-Related Drug OffensesMarch

White House

Dealer-Related Drug OffensesMarch

User-Related Drug OffensesMay

Fairview

Westmoreland

Dealer-Related Drug OffensesMay

User-Related Drug OffensesJuly

Dealer-Related Drug OffensesJuly

User-Related Drug OffensesSeptember

Dealer-Related Drug OffensesSeptember

User-Related Drug OffensesNovember

Dealer-Related Drug OffensesNovember

Policy Implications?

Are there certain communities that need to be targeted over others?What are the most appropriate programs to deal with the type of drug activity? Public health initiatives Education campaigns Targeted enforcement areas Adjudication/penalties

Do the programs need to be seasonally targeted, or should they be year-round?

Where Are We Nationally for Incident-based Data?

Victoria Major

Sharon PropheterCommunications and Technology Branch