Four people fatally shot on a commuter train in the Chicago area early Monday appeared to be attacked while asleep in their seats, police said in an afternoon update. The victims, whose names, ages, and genders were still unavailable, appeared to be asleep, were seated apart, and did not resist the attack, the Forest Park Police Department said, citing a review of security footage. A suspect has been taken into custody and a weapon was recovered, Forest Park Deputy Chief Chris Chin said at a news conference. The motive remained unknown. The name of the person in custody was not...