We might never know why Robert Gordon decided to kill his wife. Or to kill himself.
For their family survivors, why is the ultimate question. Here's another: How to overcome a stunning turn of events that took place Wednesday in the Gordons' California home.
MORE: Racing community grieves | As news of Gordon deaths broke
Robby Gordon hinted at something frightful when he spoke to reporters on Thursday, less than 24 hours after his father and stepmother were found dead. His pain was obvious; Robby Gordon fought to fight back his pain, his tears as he spoke to media members.