<human>:  Could the leader of Heaven's Gate save images in JPEG format?
<bot>: Yes, the leader of Heaven's Gate could save images in JPEG format. Marshall Applewhite, Jr. was the leader of the Heaven's Gate cult. Marshall Applewhite, Jr. died in 1997, so he could have saved images in JPEG format. JPEG format was released in 1992, so he could have saved images in JPEG format in the 1990s.