A satellite may have photographed the moment before a horrific execution in North Korea, according to a report published by the Committee for Human Rights in North Korea (HRNK) and AllSource Analysis, Inc. (ASA) on Wednesday.

The report made its findings examining imagery taken of the Kanggon Military Training Area just north of Pyongyang in early October 2014.

“Sometime on or about October 7th, 2014, some very unusual activity was noted on satellite imagery of the Kanggon small arms firing range,” the report reads.

“The satellite image appears to have been taken moments before an execution by ZPU-4 anti-aircraft machine