No, but in the first episode "Pilot" in a deleted scene, Catherine and Nick are in Nicks car and they start making out but overall NO Catherine and Nick should be together...
No in one episode they fake his death but no he is still alive :)
Yes, Jason McCann, the character portrayed by Justin Bieber was shot and killed on a season 11 episode of CSI: Crime Scene Investigation.
He appeared as homegrown terrorist Jason McCann in "Shock Waves (season 11, episode 1 ) and was shot at the end of "Targets of Obsession" (season 11, episode 15).
That's in season 3 episode 16 Heart of Glass
April 3 is the first night back with a total of 6 being shot
Owen Wolf is a guy they dedicated episode 2 of season 1 of CSI. He was a production assistant who was shot in 2000.
Lt. Horatio Caine was shot down in the final episode of season 6.
csi.
Kellan Lutz played in an episode of Both CSI and CSI New York
I believe Grissom's final episode on CSI was Season 9, episode 10 - One to Go.
Justin Bieber is alive in real life however he was in an episode of CSI: Las Vegas where he was shot and killed.