As there have been a number of high profile incidents where extremists have targeted criminal justice personnel generally, and law enforcement officers specifically, it is important to provide some context with data on attacks over time. START researchers examined the United States Extremist Crime Database (ECDB) to provide analysis on attacks on agents of the criminal justice system and military personnel in the United States between 1990 and 2015. The ECDB identifies 66 criminal justice/military homicides perpetrated by an offender associated with either al-Qaida and its associated movement (AQAM) or far-right extremism (FRE) in this time period. This background report presents information on these incidents, the offenders and victims of these attacks.
Parkin, William S., and Joshua D. Freilich, Steven M. Chermak, Jeff Gruenewald. 2016. "Background Report: Criminal Justice & Military Deaths at the Hands of Extremists," START College Park, MD. November. https://www.start.umd.edu/pubs/START_CriminalJusticeMilitaryDeathsbyExtremists_BackgroundReport_Nov2016.pdf