as tracy strahan reports, this time there's no fight or chaos before it happened. >> reporter: it's the sketch the nypd wants you to see tonight. a heavy set woman around 5'5" with brown or blond hair last seen wearing a blue, white or gray ski jacket who's thought to be behind a brutal crime. >> on thursday december 27th, 2012 -- >> reporter: over the loud speakers for everyone to hear, this van from the nypd's detective bureau drove slowly around the 40th street subway station on queens boulevard this afternoon hoping someone would help them pinpoint the suspect behind a second nightmarish incident on a subway platform in less than a month. a fatal push that claimed the life of 46-year-old. >> i'm praying. >> reporter: a.r. was driving his cab near the subway station at the time emergency vehicles were rushing to his aid, unaware of his roommate whom he thought of as a brother was a target of such a vicious crime. >> police, ambulance, fire -- it's going, like, fast, fast, fast. >> that was tracy strahan reporting on that most unfortunate incident up in new york city. >>> what i can s