In this image made on Feb. 20, 2015 showing a name engraved on the walls of a former chalk quarry, at the Cite Souterraine, Underground City, in Naours, northern France by HA Deanate, 148th Aero Squadron, USA. 150 Vermilyea Ave, New York City, The names are just some of nearly 2,000 First World War inscriptions that have recently come to light here, a two-hour drive north of Paris, thanks to efforts by Jeffrey Gusky, the site's new owners and local archaeologist Gilles Prilaux. (AP Photo/Jeffrey Gusky) Mandatory CreditIn this image made on Feb. 20, 2015 showing names engraved on the walls of a former chalk quarry, at the Cite Souterraine, Underground City, in Naours, northern France by 9th Batt Australians, G. Fitzhenry of Paddington, Sydney from 1916 July and Alistair Ross, Lismore, Australia. The names are just some of nearly 2,000 First World War inscriptions that have recently come to light here, a two-hour drive north of Paris, thanks to efforts by Jeffrey Gusky, the site's new owners and local archaeologist Gilles Prilaux. (AP Photo/Jeffrey Gusky) Mandatory CreditIn this photo taken Friday Feb. 20, 2015, a direction sign engraved with names is pictured in a former chalk quarry, at the Cite Souterraine, Underground City, in Naours, northern France. Jeff Gusky, from Texas, began photographing the site last December and has tallied 1,821 individual names: 731 Australians, 339 British, 55 Americans, a handful of French and Canadians and 662 others whose nationalities have yet to be traced. (AP Photo/Remy de la Mauviniere)In this photo taken Friday Feb. 20, 2015, names are engraved in a former chalk quarry, at the Cite Souterraine, Underground City, in Naours, northern France. Jeff Gusky, from Texas, began photographing the site last December and has tallied 1,821 individual names: 731 Australians, 339 British, 55 Americans, a handful of French and Canadians and 662 others whose nationalities have yet to be traced. (AP Photo/Remy de la Mauviniere)In this photo taken Friday Feb. 20, 2015, Jeffrey Gusky, a photographer and physician from Texas stands in a former chalk quarry, at the Cite Souterraine, Underground City, in Naours, northern France. Gusky began photographing the site last December and has tallied 1,821 individual names: 731 Australians, 339 British, 55 Americans, a handful of French and Canadians and 662 others whose nationalities have yet to be traced. (AP Photo/Remy de la Mauviniere)In this photo taken Friday Feb. 20, 2015, Jeffrey Gusky, left, a photographer and physician from Texas points at graffitis in a former chalk quarry, at the Cite Souterraine, Underground City, in Naours, northern France. Gusky began photographing the site last December and has tallied 1,821 individual names: 731 Australians, 339 British, 55 Americans, a handful of French and Canadians and 662 others whose nationalities have yet to be traced.Standing at right is Cite Souterraine manager Matthieu Beuvin. (AP Photo/Remy de la Mauviniere)In this photo taken Friday Feb. 20, 2015, Jeffrey Gusky, a photographer and physician from Texas points at graffitis in a former chalk quarry, at the Cite Souterraine, Underground City, in Naours, northern France. Gusky began photographing the site last December and has tallied 1,821 individual names: 731 Australians, 339 British, 55 Americans, a handful of French and Canadians and 662 others whose nationalities have yet to be traced. (AP Photo/Remy de la Mauviniere)In this photo taken Friday Feb. 20, 2015, names are engraved in a former chalk quarry, at the Cite Souterraine, Underground City, in Naours, northern France. Gusky began photographing the site last December and has tallied 1,821 individual names: 731 Australians, 339 British, 55 Americans, a handful of French and Canadians and 662 others whose nationalities have yet to be traced. (AP Photo/Remy de la Mauviniere)In this photo taken Friday Feb. 20, 2015, Jeffrey Gusky, a photographer and physician from Texas points at graffiti in a former chalk quarry, at the Cite Souterraine, Underground City, in Naours, northern France. Gusky began photographing the site last December and has tallied 1,821 individual names: 731 Australians, 339 British, 55 Americans, a handful of French and Canadians and 662 others whose nationalities have yet to be traced. (AP Photo/Remy de la Mauviniere)
Gannon Ken Van Dyke, a master sergeant with U.S. Army Special Forces, used sensitive classified information to make wagers on prediction market Polymarket.