Mark Albano, 34, was charged with murder.
He is accused of killing a man who was homeless.
The incident happened April 23 at the Grand Avenue Newton Station in Elmhurst.
Authorities say they found the victim with a stab wound to his upper chest and shoulder area on the southbound platform of the M/R line.
MORE NEWS: Police searching for person of interest in Times Square shooting that injured 3, including child
Times Square shooting: Search continues for gunman; 3 bystanders shot including young girl
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