Footage captures horrific moment man fatally pushes retired elderly teacher, 76, down NYC subway stairs.

After the attack, his accused  k!ller is seen casually walking away and even signals traffic to stop as he crosses the street and disappears into the night. 

Police later charged Rhamell Burke, a 32-year-old onetime successful Broadway dancer, with murd£r in the senseless attack. 
 

He is being held without bail at Rikers Island. 

Burke initially appeared in court just hours after the fatal shove on an unrelated assault case, but walked free when no one recognized him from surveillance footage. 
 

The victim

He was later spotted  at Penn Station and arrested in Falcone’s d£ath.