video cameras record every move in certain areas of this arizona dairy. in addition to being able to watch the video feed live, all footage is archived for a set period of time. The archives have come in handy. Once, all of the time cards disappeared, and the video cameras captured a child of one of the employees taking the cards as a prank, recalls Bernie Kwaku, herdsman at Rovey Dairy. In addition, the system allows managers to determine if someone has tampered with a bulk tank or whether milkers are following protocols.