Jaylnn Hall, 4, died early yesterday morning after her 15-year-old brother shot her in the chest, apparently accidentally. Her mother, whose name hasn't been released, is a Cook County corrections officer, and the 9mm handgun used in the shooting is her "duty weapon," which corrections officers are allowed to carry outside of jail. The mom was at work at the time of the shooting, and she's been "de-deputized," which is standard procedure according to... more ›