<P> While Tara and Margaret are being held by Salazar, he becomes upset when his hostage demands aren't met and threatens to kill Margaret . Tara tries to persuade him not to and when he doesn't listen to her, she causes a distraction . She attacks Salazar's girlfriend and tries to get away . Salazar kicks her hard in the stomach . He goes to kick her a second time but stops when Tara tells him that she is pregnant . </P> <P> When Tara gets a chance to go to the bathroom, she breaks off a piece of a mirror to use as a weapon . When Salazar's girlfriend breaks into the bathroom, Tara cuts her neck and almost escapes with Margaret, but Salazar stops them . After a stand off, Tara tells him his girlfriend is in the bathroom bleeding badly . She says she will keep his girlfriend alive if he lets Margaret go . When Salazar's girlfriend dies in the car, he throws Tara against the car and puts a gun to her head . </P> <P> Salazar takes Tara to Jacob Hale's office, where he takes Hale hostage as well . When he gives his list of demands, one of them is for Jax to come to Hale's office . Tara sees Salazar pull out a knife, and he tells her he plans to kill her while Jax watches and then kill Jax . As Jax enters the office, Salazar is about to kill Tara, but Jacob Hale stabs him instead . Jax wrestles the gun from Salazar, gives it to Tara, and tells her to kill anyone who is not a cop . When the whole ordeal is over with Jax and Tara go to the doctor for an ultrasound to make sure the baby was not harmed . The baby is healthy and Jax and Tara hear the heartbeat and see the baby on the ultrasound . Jax and Tara then go to Gemma's house where Gemma hugs her . Tara sees Abel and happily holds him and welcomes him back home . In the season finale, Tara has become more involved with the club . She drives Jimmy O back to the garage in the trunk after SAMCRO buys him from the Russians . Jax makes sure that she wears a bulletproof vest to ensure her safety in case something goes wrong . When Stahl tells the club about the deal Jax made with her, which was actually a trap by the club to kill Stahl and Jimmy, she runs and hugs him distraught and fearing that the club will kill him in prison . In the closing minute of the season 3 finale, Tara reads letters from John Teller to his mistress Maureen Ashby implying that Gemma and Clay would be responsible for his death should it happen . The close up shot of Tara's face transitions to Jax's face, thus ending season 3 . </P> <P> Bridge between end of Season 3 and beginning of Season 4: By the end of season 3 when Jax and the other Samcro members were hauled off to prison, Tara is a little over 8 weeks pregnant . However, in a special feature "appisode" (titled: Tara and Piney) - that took place day 85 of Jax's incarceration; a pregnant Tara is shown about 5 months along . In this appisode, Tara goes to Piney for information on John Teller's death but is rebuked and told not to investigate further and that the past was "dead and buried". In another special "appisode" (titled: Second Son) - which bridges the gap between seasons; Tara and Gemma visit Jax in prison . Tara has just given birth to baby Thomas, and she brings the baby to meet Jax for the first time . Jax is overjoyed . He apologizes for missing the delivery and promises he wouldn't miss anything important ever again . </P>

Who turned tara in on sons of anarchy