BRPD Baton Rouge police

The Advocate file photo

In 2017, East Baton Rouge Parish recorded it most murderous year in known history, reaching what authorities believe are unprecedented levels of domestic violence-related homicides, reversing progress in certain crime-plagued areas and further stretching already manpower-strapped law enforcement agencies.

Advocate reporters took an in-depth look at the reasons for the spike in homicides. Here's a look at some of the factors, in chart and map form: