The military said preliminary reports do not indicate the crash was caused by enemy fire, and the cause is under investigation.
The gunman had been married to the woman he killed, and the man fatally shot is believed to have been dating her, police said.
It's unclear whether Dr. Stephen Hahn would ultimately push for a flavor ban.
"This was a very tumultuous scene," the Chicago police superintendent said. A 15-year-old boy taking a piano lesson at a music store and a veteran officer were shot.
“Everybody deserves love," DeGeneres said on her show. "That’s all that matters in this life.”