The Sons of Anarchy Season 2 finale, "Na Trioblóidí," concludes the conflict with LOAN through the execution of A.J. Weston and the exposure of Ethan Zobelle as an FBI informant. The episode ends in tragedy as ATF Agent Stahl frames Gemma for murder, and Cameron Hayes abducts Jax's son, Abel, following the death of Half-Sack. Read more in-depth analysis of the finale's casualties at Entertainment Weekly .