Effects of Marylands law banning Saturday night special handguns on crime guns

Research output: Contribution to journalArticle

Abstract

Objectives - To determine the effects of a 1988 Maryland law that banned "Saturday night special" handguns on the types of guns used in crime. To determine if controls on the lawful market for hand-guns affect the illegal market as well. Setting - Baltimore, Maryland, and 15 other US cities participating in a crime gun tracing project. Methods - Cross sectional comparison of the proportion of crime guns that are banned by the Maryland law, comparing Baltimore, MD with 15 other cities outside of Maryland. Multivariate linear regression analysis to determine if observed differences between Baltimore and 15 other cities are explained by demographic or regional differences among the cities rather than Maryland's law. Results - Among crime guns, a gun banned by Maryland's law is more than twice as likely (relative risk (RR) 2.3, 95% confidence interval (CI) 2.0 to 2.5) to be the subject of a crime gun trace request in 15 other cities combined, than in Baltimore. Among homicide guns, a crime especially relevant for public safety, a comparable difference (RR 2.1, 95% CI 1.1 to 4.2) was observed. The proportion of Baltimore's crime guns that are banned is 12 percentage points lower than would be expected based on its demographic and regional characteristics alone. Among crime guns purchased after 1990, a much smaller proportion in Baltimore are banned models than in 15 other cities. Conclusions - Maryland's law has reduced the use of banned Saturday night specials by criminals in Baltimore. Contrary to the claims of some opponents of gun control laws, regulation of the lawful market for firearms can also affect criminals.

Original languageEnglish (US)
Pages (from-to)259-263
Number of pages5
JournalInjury Prevention
Volume5
Issue number4
DOIs
StatePublished - Dec 1999

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Firearms
Crime
Baltimore
Demography
Confidence Intervals
Homicide
Linear Models
Hand
Regression Analysis

Keywords

  • Evaluation
  • Firearms
  • Gun control
  • Saturday night special

ASJC Scopus subject areas

  • Public Health, Environmental and Occupational Health
  • Pediatrics, Perinatology, and Child Health

Cite this

Effects of Marylands law banning Saturday night special handguns on crime guns. / Vernick, Jon S; Webster, Daniel W; Hepburn, Lisa M.

In: Injury Prevention, Vol. 5, No. 4, 12.1999, p. 259-263.

Research output: Contribution to journalArticle

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abstract = "Objectives - To determine the effects of a 1988 Maryland law that banned {"}Saturday night special{"} handguns on the types of guns used in crime. To determine if controls on the lawful market for hand-guns affect the illegal market as well. Setting - Baltimore, Maryland, and 15 other US cities participating in a crime gun tracing project. Methods - Cross sectional comparison of the proportion of crime guns that are banned by the Maryland law, comparing Baltimore, MD with 15 other cities outside of Maryland. Multivariate linear regression analysis to determine if observed differences between Baltimore and 15 other cities are explained by demographic or regional differences among the cities rather than Maryland's law. Results - Among crime guns, a gun banned by Maryland's law is more than twice as likely (relative risk (RR) 2.3, 95{\%} confidence interval (CI) 2.0 to 2.5) to be the subject of a crime gun trace request in 15 other cities combined, than in Baltimore. Among homicide guns, a crime especially relevant for public safety, a comparable difference (RR 2.1, 95{\%} CI 1.1 to 4.2) was observed. The proportion of Baltimore's crime guns that are banned is 12 percentage points lower than would be expected based on its demographic and regional characteristics alone. Among crime guns purchased after 1990, a much smaller proportion in Baltimore are banned models than in 15 other cities. Conclusions - Maryland's law has reduced the use of banned Saturday night specials by criminals in Baltimore. Contrary to the claims of some opponents of gun control laws, regulation of the lawful market for firearms can also affect criminals.",
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N2 - Objectives - To determine the effects of a 1988 Maryland law that banned "Saturday night special" handguns on the types of guns used in crime. To determine if controls on the lawful market for hand-guns affect the illegal market as well. Setting - Baltimore, Maryland, and 15 other US cities participating in a crime gun tracing project. Methods - Cross sectional comparison of the proportion of crime guns that are banned by the Maryland law, comparing Baltimore, MD with 15 other cities outside of Maryland. Multivariate linear regression analysis to determine if observed differences between Baltimore and 15 other cities are explained by demographic or regional differences among the cities rather than Maryland's law. Results - Among crime guns, a gun banned by Maryland's law is more than twice as likely (relative risk (RR) 2.3, 95% confidence interval (CI) 2.0 to 2.5) to be the subject of a crime gun trace request in 15 other cities combined, than in Baltimore. Among homicide guns, a crime especially relevant for public safety, a comparable difference (RR 2.1, 95% CI 1.1 to 4.2) was observed. The proportion of Baltimore's crime guns that are banned is 12 percentage points lower than would be expected based on its demographic and regional characteristics alone. Among crime guns purchased after 1990, a much smaller proportion in Baltimore are banned models than in 15 other cities. Conclusions - Maryland's law has reduced the use of banned Saturday night specials by criminals in Baltimore. Contrary to the claims of some opponents of gun control laws, regulation of the lawful market for firearms can also affect criminals.

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