The Betty and Barney Hill case from 1961 was the first reported case of alien abduction and changed the field of ufology. While driving home to New Hampshire, the Hills saw a strange object in the sky that moved erratically. Upon closer inspection, they observed multicolored lights and windows on the craft before getting frightened and driving off. Later, they realized two hours of their trip were unaccounted for. Under hypnosis, they recalled being abducted and subjected to medical experiments by short grey aliens before being released with warnings to stay silent. Their case popularized the idea of alien abduction and grey aliens.