Conversation so far:
What is Kenneth, what is the frequency?
Dan Rather was attacked and punched from behind by a man who demanded to know Kenneth, what is the frequency? while a second assailant chased and beat him.
What happened after the Kenneth attack on Dan Rather?
Until the crime was resolved years later, Dan Rather's description of the bizarre crime led some to doubt the veracity of his account.

Question: Was the attack ever solved?
Self-contained rewrite: Was the Kenneth attack on Dan Rather ever solved?