The Best Episodes Written By Treena Hancock

A copy cat killer starts to terrorize Boston, Woody and Jordan are left to break the case. When they have to turn to the original killer for answers, Jordan is less than comfortable when the killer starts to get personal.

Sara clashes with her mother-in-law and a woman from Gil's past.

During a date, Stokes discovers decomposing body parts in part of an art exhibit; D.B. Russell deals with a staff member confrontation.

Sock and Sam move in together into a condo of their own and meet their new neighbors, Tony and Steve, a gay couple who is surprisingly friendly to the two slackers. However, Sam and Sock soon discover that there is more to the couple than meets the eye.

Dr. Choi helps a patient with chronic pain find a solution. Dr. Halstead considers a new path. Dr. Charles and Anna bond over a scary situation.

When Stokes learns that a man he helped put in prison is going to have his conviction overturned, the CSI team needs to prove the killer is guilty again or he will be released.

Morgan, Sara and Fin try to relax at a forensics conference when a mass shooting occurs on site.

A spa weekend for Sara, Finlay and Morgan turns into a murder investigation and missing persons case when Finlay disappears, as the CSI team must piece together what happened in detail to find her.

The CSI team reopens a 10-year-old murder/suicide case when the sole survivor claims her accused father was innocent.

When contestants on a reality cooking show accidentally eat human flesh during a competition, the CSI team is brought in to investigate.

Dean and Ethan respond to a scene that brings back some bad memories. When Carol's condition worsens, Natalie is willing to do whatever it takes to get her mom feeling better.

The team discovers a young Wraith girl who has been raised by a human, and is in hiding from the people of her human village in fear of her life.

The SRU are called in to resolve a gas station robbery but discover it’s connected to a deadly crisis on a cult compound.

After dying in the ER, an man suffering from amnesia comes back to life with a new, more positive, demeanor. The resulting chain of events proves that what goes around really does come around.

The CSI team investigates a murder with ties to two teenaged kidnapped girls.

As Caitlin and Thunderbird struggle to save the life of a mutant injured in the Inner Circle's chaotic liberation of a psychiatric hospital, they discover clues to the identity of the powerful mutant Polaris and Andy were sent to retrieve. Meanwhile, as Jace joins up with the Purifiers to chase down the escaped mutants, he comes dangerously close to colliding once again with the Mutant Underground.

The sky is falling or at least people are. The CSI's try to figure out if it was murder or sucide after a man is dead after falling from a hotel. Across town, a elderly woman falls through her table and her husband dead in the shower. The only two witnesses to the crime are an incooperative cat and a parrot who pleads the fifth.

Lauren stops sleeping so she can avoid the forces in her dreams pushing her towards joining Andy and giving in to her dark side. Glow is in trouble after being shot by the Purifiers, and Blink convinces the Morlocks to let Caitlin save Glow. Meanwhile, Polaris learns the details of what Reeva is planning, and Reed helps Lauren fight off her dreams.

The team investigates when a whole family is reported to have been missing for a month.

When a house is stolen completely off its foundation, the CSIs are on the case in search of answers. Meanwhile, new CSI Julie Finlay showcases her skill in blood analysis.

The CSIs need to ace the case involving a rising tennis star. Meanwhile, the CSIs are surprised to hear Hodges is engaged to an Italian bombshell.

When a K-9 is blamed for the death of his partner, the CSI team discovers there's more to the case. Meanwhile, Finlay and Morgan investigate the death of a high-profile divorce lawyer with a lot of enemies.

A vampire and werewolf convention becomes the center of a murder investigation.

Mel engages in a tense family reunion when she and her disapproving sister race against the clock to save their brother Edison after he’s abducted. Also, as the team unravels the motivation behind Edison’s kidnapping, Mel grapples with the fallout of her argument with McCall about training Delilah.