In one episode Oliva is in a rape help center. what happened to her??????

she was undercover in a womans prison to find out who was raping this girls mom and the guard that had been doing it trapped her in the basement and almost raped her but fin stops him. the episode is called "undercover"

What happened was.....

Olivia goes undercover in a prison, due to a case where a sixteen an old girl was raped and her mother was in jail. Anyway Olivia is undercover and the prison guard takes her to the basement and nearly rapes her! (Her screams are OMG priceless!) The guard is about to snap her neck, when Fin jumps in and rescues her.
(The episode is called Undercover)