A 15-year-old is the fourth to be charged in connection with the death of Kyle Bickham, who was killed after being pushed off a CTA Red Line train, Chicago police said.
Bickham’s family said he was heading home from work when, according to police, he was pushed from a moving CTA Red Line train near the 69th Street station during an altercation around 2:40 p.m. Sept. 7…