S1.E1 ∙ My Search for Caylee Anthony

CSI Alina Burroughs looks at one of her most notorious cases, the death of toddler Caylee Anthony. Reexamining the grim clues, including a controversial strip of duct tape, Alina tries to let the evidence speak for a child without a voice.

S1.E2 ∙ Justice for Michelle

24-year-old Michelle Witherell is found lying on the ground beneath her balcony with fatal injuries. Alina is eager to determine whether Michelle accidentally fell from her balcony, died by suicide or was murdered.

S1.E3 ∙ Cracking Brian's Case

When family man Brian Hughes falls dead in his living room it looks like a robbery gone wrong, the evidence soon suggests a plot hatched from inside his home and Alina deciphers the ballistics to give a silenced victim the final word.

S1.E4 ∙ Speaking for Stacie

CSI Alina Burroughs revisits a murder that's haunted a college campus for decades - the bludgeoning to death of Stacie Pannell. Alina takes a fresh look at an investigation and discovers there may be more to this story than meets the eye.

S1.E5 ∙ A Promise to Peggy

Alina travels to Colorado to investigate the murder of Peggy Hettrick, whose nude and mutilated body turned up in a vacant lot. With the help of a cutting-edge DNA technique, Alina works to let Peggy tell her story from beyond the grave.

S1.E6 ∙ Doing Right by Richard

Alina travels to Missouri to dig into the murder of Richard Armitage, an attorney who was fatally attacked at his own desk; following every twist of this strange case, Alina lets the blood-spatter evidence speak for a silenced victim.

S2.E1 ∙ Threads of Evidence

CSI Alina Burroughs travels to rural Ohio to investigate the 1988 murder of Marjorie "Margie" Coffey, a single mother who was strangled and dumped in an icy creek. Alina discusses the forensic evidence used in the murder case, which centered upon two strands of fiber. She speaks with Charles Oswalt, the man who was convicted and sentenced with the crime. He has done his time and is now out of prison, but he maintains that he still is, and always was, innocent. David Messmore, a former detective for the Mansfield Police Department in Ohio, appears on the show and discusses the case.

S2.E2 ∙ Four Murders and a Death Sentence

CSI Alina Burroughs is in Winter Garden, Florida, to investigate a furniture store massacre of four people by William Thomas "Tommy" Zeigler Jr. , age 34 at the time of the murders on Christmas Eve 1975. Applying new technology to old clues, Alina tries to piece together a puzzle still fraught with mystery. Zeigler was charged for the quadruple murder of his wife, Eunice Zeigler, and her parents, Perry and Virginia Edwards, as well as a customer named Charlie Mays. The furniture store was family-owned by the Zeigler family. Zeigler was convicted and sentenced to death in 1976. Due to years of legal maneuvering, Zeigler is alive and still in prison.

S2.E3 ∙ A Murderer's Mark

CSI Alina Burroughs travels to Arizona to delve into the murder of Kim Ancona, who was marked in death by her killer's teeth. Using the latest forensic technology, Alina investigates the case files to find out if a single bite mark is enough forensic evidence to prove murder.

S2.E4 ∙ Feud on Fire

S2.E5 ∙ Justice for Jane

S2.E6 ∙ Investigating the Investigation

CSI Alina looks into the controversial 2010 suicide of 24-year-old single mum Michelle O'Connell.

S2.E7 ∙ Evidence to Trust

CSI Alina Burroughs travels to Austin, TX to investigate the 1988 murder of 20-year-old pizza shop worker Nancy DePriest; in the controversial case, Alina uses forensics to let the evidence speak for itself.

S2.E8 ∙ Murderers Leave Trails