Lallen T. Johnson

Need drugs, will travel?: The distances to crime of illegal drug buyers

Lallen T. Johnson, Ralph B. Taylor, Jerry H. Ratcliffe · Journal of Criminal Justice · 2013 · 38 citations

Cross-border Crime, Substance Abuse, Public Policy +11

Drug Markets, Travel Distance, and Violence

Lallen T. Johnson · Crime & Delinquency · 2015 · 33 citations

Substance Use, Drug Policy, Crime Analysis +16

The ecology of overdose mortality in Philadelphia

Lallen T. Johnson, Tayler Shreve · Health & Place · 2020 · 30 citations

Drug Overdose, Overdose Mortality, Poisoning +1

Exploring the relationship between foot and car patrol in violent crime areas

Elizabeth R. Groff, Lallen T. Johnson, Jerry H. Ratcliffe et al. · Policing An International Journal · 2013 · 29 citations

Community Policing, Crime Analysis, Safety Science +17

Permeability across a Metropolitan Area: Conceptualizing and Operationalizing a Macrolevel Crime Pattern Theory

Elizabeth R. Groff, Ralph B. Taylor, David Elesh et al. · Environment and Planning A Economy and Space · 2014 · 22 citations

Public Policy, Urban Geography, Crime Science +13