She is a graduate of and moved down to New Orleans after completing medical school.
In fact all they saw was a clearly hysterical Weaver.
So this case had been bringing up a lot of emotions for her and that could have compromised her case.
DiNozzo arrives back, informing Gibbs that Simek's mother has been notified with DiNozzo wondering if he was being straight with Gibbs.
Dwayne thinks maybe trying to make up for his father's crooked deeds is one reason why he went so far the other way, becoming a top law enforcement officer and agent.
Chris takes her death particularly hard, and begins drinking more and seeking affection from multiple women, much to dismay of the team.