Cook County Crime Stoppers is offering a reward for information in the hit-and-run crash that left a woman dead and her fiancé seriously injured in Pilsen earlier this month.
On July 19, Marcella Herrera, 22, was just getting off work and was walking with her fiancé on the 1900 block of South Ashland Avenue when an SUV hit them in the middle of the crosswalk.
The driver fled the scene in an unknown direction without stopping to render aid…