UK News
Rodric Williams, who still works for the company, was a Post Office lawyer as the Horizon scandal developed.
A report claims Henry Staunton used derogatory language about recruiting a board member
The employee said he had pressed the "zero bags used" button accidentally when shopping.
Police took down the international scam on Tuesday and say there could be up to 70,000 UK victims.
Hundreds of flights were cancelled on Wednesday at the major hub, which connects to every continent.