whats the name of that wedding episode?

theres this episode of csi that i LOVE but i dont know the name of it. its the episode where someone steals nicks car and the evidence is gone and they have to remember everything from the crime scene. it has a wedding and the mother in law was killed and the brides name was jill. if anyone knows the episode and could tell me that would be great.
kk thanks!
xoxo