<P> Tara's career is on the line when she is investigated as an accessory to Otto's brutal murder of a prison nurse that was killed with Luann's crucifix . Jax assures Tara that they will get through the investigation just like they get through everything else to which she quips, "that's what scares me ." She becomes guarded when Jax doesn't walk away after meeting his goal to save the MC with RICO shutdown . She is pressed to reply to the offer and internally struggles with moving on as it is the "last chance" for her and Jax to get out of Charming . While meeting to prepare Tara's defense, Lowen prompts Tara to think about legal custody of sons if anything was to happen to her . Tara agrees to Providence Health & Services job offer before telling Jax . </P> <P> Wendy confronts Tara with reality of risk associated with MC and shows her the shoulder bruise from the force of Jax jamming a speedball needle into it . Tara gasps with shock realizing that Jax is losing his way . The prison nurse's brother, Lee Toric, confronts Tara at the hospital and threatens to avenge her death . More than ever, Tara needs someone trustworthy to name as guardian of her sons in case of imprisonment or death . Tara has no permanent nerve damage and will be able to operate again . Tara requests clarity from Jax who does not come clean about intimidating Wendy . </P> <P> Gemma confronts Tara about Providence Health & Services offer and threatens Tara "I'm done with your power push ." Gemma threatens to tell investigators that Tara planned the killing of an innocent nurse to reverse RICO . Tara enlists Wendy as guardian and is now more determined to pull her sons out of Charming's "cesspool ." Jax disapproves of Wendy as Guardian, but Tara insists it is her' job as an old lady to be strong...when and where (he) can't be ." She tells him she accepted a job offer in Oregon to spare them from becoming like Gemma and Clay, which will force the boys to relive their mistakes . </P> <P> The season ends with Tara's arrest for conspiracy to commit Pamela Toric's murder . </P>

Who ratted out tara on sons of anarchy