Suspect arrested after woman who was stabbed at Chicago train station named her ex-boyfriend as killer before dying

Police have arrested a man who allegedly stabbed and killed his ex-girlfriend on a Chicago train station platform over the weekend, the Chicago Police Department announced. Alejandro Arellano, 31, was charged with one count of first-degree murder in the death of 26-year-old Samantha Maldonado, police said on Monday. 

In the early hours of Saturday, morning Arellano followed Maldonado to the Adams and Wabash CTA station and stopped her from boarding a train, allegedly stabbing her multiple times before boarding a train himself and going home, according to police. 

Maldonado was able to push herself free from Arellano and run to the street before she collapsed, police said. She was taken to a local hospital where she was pronounced dead.