The Best Episodes Written By Adam Fierro

As Vic prepares to help Lem get out of the country to begin a new life in Mexico; Kavanaugh and Aceveda attempt to capitalize on the situation by using this as means to try to take down the leader of the Strike Team. Dutch decides to file for a transfer. Meanwhile, Shane tries to cut off the investigation by taking extreme measures and Danny finally confronts the father of her child.

Vic redirects his attention to finding out who really killed Lem after he learns for certain that Guardo wasn't involved. The Strike Team investigates the murder of a politician's daughter. Later, Cassidy confronts her father about his unethical past.

Claudette further aggravates her illness as she continues to aggressively interrogate Kleavon Gardner. The Strike Team works with the Chief of a citywide task force to investigate the murder of a drug dealer’s girlfriend and her daughter. Meanwhile, Kavanaugh attempts to discover how Vic acquired the $65,000 that was given to Corrine, and Ronnie is up next for questioning in the IAD investigation.

As progress is being made in the San Marcos investigation, Vic receives bad news about his career. Meanwhile, Shane and Diro become business partners as she prepares to take over the Armenian mob.

Vic and the Strike Team use their leverage on the One-Niners to track down anyone involved with the cop killings. Their hunt leads them down an unexpected path with the Russian mob. Monica puts pressure on the team to come clean about any of their dealings with Antwon. Dutch and Claudette investigate a gang shooting and soon realize their key witness is close to the Barn, and has something to hide.

During an interrogation, Kavanaugh reviews the Strike Team’s corrupt past and attempts to weaken Lem’s loyalty to Vic by bringing up the connection to Terry’s murder. Meanwhile, the Strike Team investigates a multiple homicide. Dutch and Claudette suspect that a minister might have been involved in an attempted murder. Tina gets in over her head while on duty with Julien.

Consumed by bloodlust, Vic finally gets the chance to avenge his friend's murder, despite Shane's pleas against it. Meanwhile, Ronnie is assigned by Claudette to help Dutch and Billings investigate a robbery homicide at a pharmacy.

Rick and the group are allowed into the CDC by a strange doctor, but all is not what it seems in their newfound haven.

When Monica puts Vic on the trail of an escaped fugitive in Farmington, he must continue to prove his worth while playing it straight. Claudette gets suspicious of the D.A's motives when she and Dutch are assigned to investigate a major drug dealer who ends up being a minor offender. David seeks an illicit outlet for the troubling feelings caused by his rape. Vic decides to bring Shane closer as his fears about Shane's connection to Antwon Mitchell rise.

Jack looks for a Russian national as his father plots with shadowy patriots. Meanwhile, the President and the Constitution may be in danger.