Prosecutors say a man proudly declared his gang affiliation before opening fire on a CTA bus, injuring two passengers earlier this year. They also say he was on probation for another gun case when he did it.
At about 11:33 p.m. on April 27, a 40-year-old man boarded a westbound #77 Belmont bus with his girlfriend and sat directly in front of 18-year-old William Soto, prosecutors said. The couple talked with each other, but never spoke with Soto.
During the ride, Soto stood up and started speaking with the man, who remained seated…