NBC 5 found that violent crime in Chicago Transit Authority rapid transit stations, platforms and trains has doubled over the past six years, while thefts have increased by nearly two-thirds over that same period.  At the same time, the rate of arrests in these crimes has dropped. In 2019, police made an arrest in only a quarter of the violent…

An NBC 5 Investigation shows a dramatic increase in both violent crimes and petty thefts –while arrests are on the decline. NBC 5’s Chris Coffey Investigates.