<P> As the season progresses , Alex is able to prove her innocence with the help of her friends . She discovers that the suspected bomber is former FBI analyst - trainee Elias Harper , who planted the bomb on the instructions of a terrorist mastermind . Having cleared her name at a congressional hearing , Parrish is reinstated as an FBI agent and assigned to the field office in New York . In the operations section , she works to uncover the mastermind behind the bombings , as the 2016 Presidential election nears . The supervising training agent Liam O'Connor is eventually revealed to be the responsible individual and is shot and killed by Parrish and Booth . Parrish is fired from the FBI because of the subsequent publicity of the bombings and Liam 's treachery . Two months later , she is approached by Matthew Keyes , who offers her a position at the Central Intelligence Agency ( CIA ) . </P>
<P> As the season progresses , Alex is able to prove her innocence with the help of her friends . She discovers that the suspected bomber is former FBI analyst - trainee Elias Harper , who planted the bomb on the instructions of a terrorist mastermind . Having cleared her name at a congressional hearing , Parrish is reinstated as an FBI agent and assigned to the field office in New York . In the operations section , she works to uncover the mastermind behind the bombings , as the 2016 Presidential election nears . The supervising training agent Liam O'Connor is eventually revealed to be the responsible individual and is shot and killed by Parrish and Booth . Parrish is fired from the FBI because of the subsequent publicity of the bombings and Liam 's treachery . Two months later , she is approached by Matthew Keyes , who offers her a position at the Central Intelligence Agency ( CIA ) . </P>
who was the bomber in quantico season 1
who was the bomber in quantico season 1
Liam O'Connor
Liam O'Connor