One of the reported messages was addressed to New York Jets backup quarterback Tim Tebow.
Christopher Dorner is at the center of a massive manhunt by thousands of police officers in Southern California and neighboring states after going on the lam.
The unhinged fugitive posted a message to the NFL player as part of an "uncensored manifesto," according to law enforcement agents. There were also threats to police officers and their families.
In the message to Tebow, Dorner wrote: