The Best Episodes Written By Jennifer M. johnson

Revealing doors are opened and lives hang in the balance as Rebecca will stop at nothing in pursuit of the man who killed her partner.

When child killer Kit Nelson, a terrifying kidnapper who always returns his victims home - after he's killed them - reappears from the past, the team is in a race against time to catch the man before he kills again.

The team re-investigates the suspected 2007 murder of a bride-to-be who was kidnapped on the day of her engagement party. Lilly and Scotty travel to West Virginia to escort the prime suspect to Philly, and on their way back, they hear his side of the story.

Charlie begins a painful journey of withdrawal from drugs, surprisingly aided by Locke, whose true motive for helping Charlie is a mystery. Meanwhile, survivors struggle to find and free Jack when he's buried alive in a cave collapse, and someone might be secretly thwarting Sayid, Kate, and Boone when they enact a plan to find the source of the French transmission.

When an American track-and-field coach heads to Russia, President Kirkman is thrust into a hostage exchange involving the CIA and the Russian government. Agent Hannah Wells and Deputy Director Atwood's investigation into the Capitol bombing uncovers information that puts Atwood and his family's life at risk.

Jack, Kate and Sawyer fight over possession of a newly discovered locked metal briefcase which might contain insights into Kate's mysterious past. Meanwhile, Sayid asks a reluctant Shannon to translate notes he took from the French woman. A rising tide threatens to engulf the fuselage and the entire beach encampment, and Rose and a grieving Charlie tentatively bond over Claire's baffling kidnapping.

Lilly investigates the 1964 murder of a 17-year-old girl who was sent by her parents to a home for unwed mothers, where she gave birth to a girl. The next day the teen was killed. The case is reopened when the victim's daughter comes forward, having just learned that she was adopted and that her biological mother was slain.

When the victim's younger sister comes looking for her, the team re-opens the 2006 case of a missing Amish girl who was murdered while she was in Philadelphia experiencing the Amish rite of passage called "rumspringa".

Unforeseen developments at Aster Corps force Martin to make a nail-biting decision and strike a deal with someone unexpected. Meanwhile, Lucy visits the police with new information about Amelia’s kidnapping and Avram (guest star Bodhi Elfman) spots Guillermo in New York and warns Martin and Jake that he’s on the hunt for them.

President Kirkman and his staff work to keep a high-level security breach of the White House a secret just as he’s about to give his first television interview. The FBI continues to investigate the Capitol bombing but Agent Hannah Wells starts to develop her own theories about who was really behind the attack.

As President Kirkman considers candidates for Vice President, Kimble Hookstraten finds herself embroiled in scandal. Agent Wells and Jason Atwood return from North Dakota with a critical new lead while journalist Abe Leonard's investigation takes an unexpected turn.

Years earlier, Spike and Vicious meet Julia at Ana's club. But romantic entanglements and Vicious' ambitions soon cause trouble for all of them.

The 1979 murder of a schoolteacher who was stabbed to death in a wooded area is reopened when the victim's bloodstained jacket is found stuffed in a tree trunk with a happy-face key chain in a pocket. The case was originally investigated by Jeffries when he was a rookie detective.

When Hauser, Madsen, and Soto track former inmate Paxton Petty, a landmine bomber who has returned and is placing bombs throughout populated areas of San Francisco, methods of the past are applied to the present.