According to Michael Stipe (R.E.M), "It remains the premier unsolved American surrealist act of the 20th century. It's a misunderstanding that was scarily random, media hyped and just plain bizarre.
Poor Dan Rather got mugged.
In 1997, based on a tip from a psychiatrist, Rather's attacker was identified as William Tager. According to the psychiatrist, Tager, who was currently serving time for killing an NBC stagehand, blamed news media for beaming signals into his head, and thought if he could just find out the correct frequency, he could block those signals that were constantly assailing him. Hence the enigmatic inquiry.