The husband who says he used a drone to catch his wife cheating made a shocking confession about where his mind was going as he watched the video the device captured. "I was 100 percent sure that I was gonna kill that man, whoever he was," John told Inside Edition. The husband says he used the drone to follow his wife because he suspected she was cheating on him. He watched in shock when an SUV pulled up and she climbed in. He then uploaded his video to YouTube where it caught national attention.