U.S. Investigators Find Proof of Cyberattack on Ukraine Power Grid By Samuel Culper • February 8, 2016February 8, 2016 Share this:TweetEmailPrint Related Samuel CulperSamuel Culper is a former Intelligence NCO and contractor. Iraq(x1)/Afghanistan(x2). He now studies intelligence and warfare. Join nearly 9,000 people already receiving the Forward Observer Dispatch Email Address