In Netflix's newly released cybersecurity thriller, Robert De Niro plays the role of George Mullen. In Zero Day, George Mullen is portrayed as a retired U.S.

Robert De Niro's Netflix series Zero Day sees former president George Mullen, facing past demons, including the death of his son. But how did he die?

N etflix‘s new show Zero Day follows the fallout of a terrifying cyber attack on the United States. “Zero Day,” meaning a single day where everyone’s phones, computers, an