Mollie Tibbetts, the 20-year-old University of Iowa college student has been found dead.
24-year-old Cristhian Bahena Rivera was arrested and charged Tuesday with first-degree murder in connection with Tibbetts' death.
Throughout the investigation, points of interest have been presented by authorities. Below is a comprehensive map that showcases circular regions where authorities have either blocked access to or requested public's support in focusing on. There are also markers on the map with key Brooklyn landmarks, as well as the location where Rivera allegedly took Molly, and the location where she was found.