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Interest in modeling contemporary crime trends, a task that has historically been considered valuable to the public, researchers, and policymakers, is resurging. Advancements in criminology have made it clear that understanding crime trends necessarily involves understanding trends in how likely individuals are to report crimes to the police, as well as how likely the police are to accurately record those crimes. In this paper, we use dynamic linear models to simultaneously model the time series for several crime types in order to gain insight into trends in crime and crime reporting. We analyze crime data from Chicago spanning 2007 through 2016 and show how correlations in the way crime trends evolve may contain information about drivers of crime and crime reporting. We provide evidence of substantial differences in the relationships between the trends of crimes of different types depending on whether crimes are violent or nonviolent and whether or not crimes are tracked in the FBI’s Uniform Crime Report. [ABSTRACT FROM AUTHOR]

The article features electrical engineering hall of fame member, Albert H. Taylor. He was born on January 1, 1879 in Chicago, Illinois and graduated with a degree in physics from Northwestern University in 1902. His first researcg was on radio communication while he was still an undergraduate. He received a PhD degree from the University of Göttingen in Germany in 1909 for his thesis on alimunim rectifiers. He also became a communications offier in charge of a network of low-frequency, high power statuibs situated along the East coast.