When Jen Ramsaran disappeared, police searched online for clues and wondered if she escaped the real world for a fantasy world; journalist Andrea Canning covered the case in one of her first assignments for "Dateline."

Andrea Canning recalls the twists and turns in the case of Beverly Carter, a top-selling realtor who went missing after showing a house -- when her friends received mysterious text messages, they knew something was wrong.

Andrea Canning reflects on a story that reminded her how people can be vulernable and how quickly life can change; she speaks with Judge Esther Salas about the knock at her door that robbed her of the most important thing in her life

Andrea Canning reflects on a case fueled by a rage so hot, it is seared into her memory; the battle between a wife and a mistress for one man's heart led down a deadly path, to a showdown on the highway.

A case that reveals an ugly secret about life in the military and one Andrea Canning will not forget; when soldier Vanessa Guillen vanishes from Fort Hood, her family brings attention to her disappearance and revelations inspire a movement.

Andrea Canning reflects on this cautionary tale that still inspires her today. A man steals millions of dollars conning women and businesses over 25 years. One woman brings together a group of his victims to hold him accountable and face justice.

Andrea Canning reflects on a story that hits close to home for her because of where it takes place. A coroner arrives at the scene of a car accident to find his friend deceased and begins to think her death looks suspicious

A case Andrea Canning will never forget, because it revealed an unbelievable blind spot in law enforcement. Reagan Tokes worked a late shift at a local restaurant, then went missing. What happened to Reagan left her family and a city outraged.

Andrea Canning recalls a case in which investigators set up an elaborate sting operation to stop a murder-for-hire plot.

After shedding hundreds of pounds, a popular kindergarten teacher goes missing. Investigators find a link between her weight loss and her disappearance. The case ranks as having one of the craziest motives Andrea Canning has heard.

Andrea Canning looks back on one of her most memorable cases where a fitness tracker helped detectives solve the mystery of a young woman's death in Wisconsin. Andrea confronts the killer in a tense interview.

When a small-town Alabama resident is murdered, rumors involving a local pastor begin to swirl. Andrea Canning reflects on this story that feels to her like a steamy soap opera playing out in real life.

Nathan and Denise Leuthold built their family on faith, but suddenly one of them was dead and the other was under suspicion. It's a story that stays with Andrea Canning, both because of what happened and when it happened: Valentine's Day.

An advocate for missing and murdered Indigenous women searches for answers in the disappearance of her niece and exposes cracks in law enforcement. Andrea Canning looks back on this important story, one that became her passion project.

It's a mystery that defies easy answers, and "Dateline" has been following it for more than a decade; Steven Avery and his teenage nephew were convicted of killing Teresa Halbach; now, Andrea Canning shares her insight into the controversial case.

When a Kansas prisoner escapes in a van driven by a volunteer, investigators scramble to track down the pair; Andrea Canning likens this story to a bunch of Hollywood blockbusters rolled into one, but it's as real as it gets.

Debbie Kelly and Lars Itzo make their marriage of opposites work; when Debbie is killed, there is no question about who shot her, yet the explanation of why is one of the most confounding Andrea Canning has heard.

Andrea Canning looks back on the royal who has fascinated her since childhood, Princess Diana. She explores Diana's real story, including a look at her troubled marriage, turbulent life and the investigation into her death.

A mystery in paradise unfolds when Sarm Heslop vanishes from her boyfriend's yacht; in a case that made international headlines, Andrea Canning recounts her memorable journey searching for a particular person of interest.

After Todd Chance is murdered, police follow a trail of video evidence to track down their suspect; Andrea Canning recalls a particularly revealing interview, including an eye-popping detail.

The fatal shooting of NBA star and hometown hero Lorenzen Wright sends shockwaves through the city of Memphis, TN; Andrea Canning takes a new look at the diabolical plot behind Wright's murder and his family's tireless fight for justice.

When Dr. Joe Sonnier is murdered in Lubbock, TX, the investigation reveals simmering jealousies and a love triangle; Andrea Canning recalls a doctor who dedicated his life to helping others.

After 24-year-old Lisa Zeigert is killed in Agawam, MA, in 1992, her family keeps the case in the public eye for decades and it was featured on the show Unsolved Mysteries; Andrea Canning reflects on the harrowing mystery and discusses the inspiration she's drawn from Lisa's loved ones.

A bombshell more than a decade after the crime reignites the investigation into the death of Sarah Pagel's mother. Andrea Canning looks back at her emotional interview with Sarah, whose mom touched so many lives.

A hunting safari in Zambia ends in tragedy when a shot rings out from the cabin of a dentist and his wife. Andrea Canning revisits one of the most unique cases she's covered, one that sent her miles from home in search of answers.