Senator Creigh Deeds says son Gus was delusional

(CNN) - Virginia State Senator Creigh Deeds remembers his son as "a sensitive, beautiful child" who was "full of love," but a severe mental illness led Austin "Gus" Deeds to do what his father now describes as the unthinkable. Gus, 24, stabbed his father multiple times before taking his own life.

"Whatever illness that took him was so contrary to his nature," an anguished Deeds recounted in a candid, emotional interview with Anderson Cooper for CNN's "AC360" just two months after his son's death.

Gus had bipolar with psychosis.  READ MORE HERE AT CNN