Mangione was arrested at a McDonald's in Altoona, where he reportedly gave local police a fake ID and began trembling when questioned about recent travel to New York.
A breakthrough came when Mangione, 26, briefly removed his mask while trying to flirt with someone at a Manhattan hostel, providing a clear look at his face.
Friends suggest that the shared tragedies between the Pistorius and Greyling families brought them closer together, and their relationship symbolizes a new beginning for both.
Mango was founded in 1984 by Andic, a Turkish-born entrepreneur, who opened his first store on Barcelona's famous Paseo de Gracia, with help from his older brother Nahman.
Last week, a claim went viral that Thompson set to testify against former House Speaker Nancy Pelosi regarding insider trading before his death on December 4.
Mangione is facing charges of murder and is being held without bail in Pennsylvania on charges related to guns and forgery, to which he has pleaded not guilty.