On the Case with Paula Zahn, A Mother Knows

A female active-duty soldier dies in a brutal attack during a night out with members of her unit. Police try to determine if a secret fear she mentioned to her mother is the motive for her murder.

Investigators must overturn a shocking decision before they can solve the hauntingly familiar murder of a teenager.

As police investigate the gruesome murder of a mother and child, they realise all the evidence indicates the killer was someone the victims knew, and trusted.

A young woman turns up savagely murdered in a bar parking lot. As investigators retrace her last known steps, several suspects with possible motives come on their radar.

Police wonder if a young woman's personalised license plate, FLRT 12, makes her the target for murder or if a far more sinister plot is behind the crime.

Police find a giant sword bent in half, alongside a victim who has been savagely murdered. Investigators must sort through the details of his complicated life in order bring his killer to justice.

After a loving mother is murdered inside her own home, police focus on their two best clues -- a blood-stained hammer, and a dusty footprint.

A romantic date at a high school Valentine's dance turns into a night of terror when a beautiful teenager is abducted from her boyfriend's arms at gunpoint.

An unidentified woman is found callously murdered in an off-campus apartment. Police have no leads on the case until her terrified neighbour shares a chilling story.

The baffling murder of a beautiful young woman leads police to zero in on two potential suspects: her new boyfriend and an obsessed stalker.

The search for the man who murdered a single mother might lead police to the perpetrator of a second brutal crime with chilling similarities.

A college coed disappears, and her family launches a desperate investigation to find her. What they discover will change their lives forever.

A murdered teenager's body mysteriously turns up in the rural Iowa countryside. Will the smallest clue be the key to bringing her killer to justice?

As police try to solve a disturbing homicide, each step of the investigation reveals another layer in a spiderweb of tragedy.

A young mother vanishes leaving behind nothing but puzzling clues and disturbing questions. Will a needle in the mud reveal the truth behind her disappearance?

Puzzling clues and odd witness accounts create huge challenges for investigators trying solve a young girls murder. Will finding lost evidence be the key to identifying her killer?