C.D. Parker dies in a season nine episode titled, "The Avenging Angel" when Walker receives a phone call saying that C.D. had died of a heart attack while on a fishing trip. In the series finale, it is revealed that C.D. actually died of poisoning and the symptoms presented as a heart attack.

Does Walker's brother died?

Warning: This post contains spoilers from the June 10 episode of Walker. Just like that, Walker (Jared Padalecki) has lost another person he loved. ... But nobody could've prepared Walker for what happened: Not only did the Rodeo Kings shoot Liam (Keegan Allen), but by the end of the showdown, Hoyt (Matt Barr) was dead.

Is Walker's wife really dead?

Emily died that night, though the circumstances surrounding her murder remained a focal point for Cordell. Several things about the night she died didn't line up in his mind, starting with a singular poker chip he found in her possession, and the fact her eyes were closed as if someone laid her to rest.