23-year-old Zair Bennet-Warrick was taken into custody Tuesday at a Philadelphia home.
He has been charged with murder.
The Aug. 9 stabbing occurred around 3 a.m. at Jefferson Station at 10th and Filbert streets.
Authorities say 28-year-old city resident David Simpson was stabbed multiple times all over his body before the attacker fled the scene.
Send a News Tip to Action News
Learn More About 6abc Apps