A spokeswoman from Gate Gourmet, the Dutch caterer used by Delta, has said that the company is cooperating fully with investigators. Christina Ulosevich added that "details of this matter must remain confidential".
Gate Gourmet is a subsidiary of Swiss-based gategroup Holding AG, one of the largest independent global providers of airline passenger products and services.
More top news
The footage was only discovered by June Jones' family when her son Darren stumbled across it whilst browsing Facebook.
Tini Owens has lost the latest round of a court battle to end her "desperately unhappy" marriage to her husband of nearly 40 years.
Emmie's mum shared now-poignant photos of their recent visit to London with ITV News as her daughter paid homage to the fallen officer.