A surveillance video released by the NYPD shows an unidentified man offering to help a 48-year-old disabled woman with a walker enter an apartment building.
However, moments later on the video (below), he assaults and robs Carrie Ramirez, notes DNAInfo.com.
The crime took place on July 15 at 2:30 a.m. as Ramirez was trying to enter the lobby of her apartment building in the Hamilton Heights area of New York City.
The suspect opens the door for Ramirez, she begins to walk towards it, he closes the door, gets behind her and begins the choking the woman.
Police say he wrestled Ramirez to the ground and pulled two chains from her neck.