The family of Kenia Monge share the agonizing details of what happened around the beautiful, 19-year-old's disappearance. Father Tony Lee, her sister, Kim, and authorities explain how the texts in Kenia's cell phone were the impetus to finding her abductor, who ultimately led them to Kenia.

Hannah Anderson's best friend knew something was wrong when Hannah stopped responding to her texts. No one knew that Hannah had been abducted by someone close to her. Hear the harrowing saga around Hannah's kidnapping and how the amber alert system was used for the first time.

April Millsap's mother recalls the day she asked her 14-year-old daughter April, to text her when she got home from walking the dog. April never did. Instead, she sent a cryptic text to her boyfriend and disappeared. What happened during her outing that changed her family forever?

Successful real estate agent Beverly Carter went missing after showing a home to potential buyers. Later that evening, 50-year-old Beverly began texting her husband. Family and friends recall why the texts seemed suspicious and how they knew without a doubt, that Beverly was in danger.

When Deserae Turner didn't come home after school, her mother and friends began texting her incessantly. A massive search ensued, and 47 of her friends were questioned. Turns out her Snapchat may have been the key to the mystery.

After TikTok influencer Nikki Kuhnhausen vanished, her friends, family and transgender allies across Vancouver demanded justice. In this episode, Nikki’s family describes the brave and beautiful 17-year-old and how police used Nikki’s Snapchat account to find her.

In 2006, Elizabeth Shoaf was abducted near her rural South Carolina home. The teenager was missing for over a week, when a text message came through that infused hope into the case. Hear the dark details of Elizabeth's frightening ordeal from those closest to her.

When Becky Koster returned home from a night out, she texted her mother Barbara that she made it back safely. But, when Barbara arrived home hours later, Becky was nowhere to be found. In her own words, Barbara recalls the gut-wrenching search for her daughter; and how a stranger attempted to derail the investigation through manipulative texts.

Justina Rucinski receives an email with the largest cookie request of her career; but when the customer arrives at her home to leave the deposit, Justina is brutally attacked and taken away at gunpoint; April recalls what happened to her best friend.

One week before Queena Phu's Senior prom, the 18-year-old pulled into her local library to return a book after hours. She was on her cellphone with her best friend, Rachel, who suddenly heard Queena scream--and then the line went dead. Rachel and Queena's family detail how they immediately drove to the scene, only to make a horrifying discovery.

The family of Miya Marcano share the agonizing details of what happened around the beautiful, 19-year old's disappearance. Miya's mother Yma Scarbriel, brother Marlon and others explain how texts to Miya from an unknown man were the key to finding her abductor.

Those closest to Madison Nygard share the agonizing details around the beautiful, 16-year old's terrifying abduction as she walked home from a party. Her mother, friends and authorities explain how Madison's attack would ultimately uncover clues leading police to a gruesome discovery they didn't see coming.

JaRay Wilson texted her mother just minutes before she vanished, and the teen's friends, family and community searched for answers for over a year; someone from JaRay's inner circle later surfaced with shocking details.

Nine-year-old Kamryn Johnson is supposed to be at gymnastics class when her mother, Sheraton, receives a frantic phone call saying Kamryn is being held captive for ransom; Kamryn's parents recount the frightening threats the alleged abductor made.

2007: Kelsey Smith has gone to a large department store to run a few errands. Kelsey is a responsible girl who usually responds quickly to her cell phone text messages. But when there were no responses from her, Kelsey's family knew that something was very wrong.

After a family celebration, 18-year-old Nia Wilson and her two sisters decided to take public transportation back home to Oakland, California. But just minutes after texting their father, the sisters were brutally targeted at a train station. The knife attack sparked a city-wide search for the perpetrator and ignited a powerful movement against racial injustice.

Residents of small-town Robeson, Pennsylvania were stunned when 23-year-old Ashley Kline went missing on New Year's Eve. The 12-day search turned up several suspects until investigators uncovered suspicious text messages. The gruesome truth rocked the community.

Travel Blogger Carla Stefaniak went to Costa Rica to celebrate her 36th birthday. But when she was to arrive back home to Miami, her awaiting loved-ones realized she never got on the plane. Carla's friends and family recount the terrifying details of the search to find Carla.

The missing and murder rates of Indigenous women are disproportionately higher than any other group. So when beautiful Jalajhia Finklea vanished the day before her 18th birthday, her Wampanoag Tribe members immediately took action. Jalajhia's tribe and family quickly discovered that her abductor was closer to home than they thought.

When reliable 22-year-old Molly Jane Matheson didn't show up for work, her mother Tracy drove to her Fort Worth, Texas, apartment to check on her. Tracy's grim discovery quickly uncovered a string of related crimes that inspired Molly's family to fight for change.

When mother-of-two Deanna Cook missed her daily call to her mom, her family began to worry that Deanna's "stalker" may have had something to do with it. After texting and calling Deanna, her family called 911. But when their call fell on deaf ears, the family was forced to make a shocking discovery.

After 26-year-old rideshare driver Carolina Vargas drove a nice stranger to his hotel, she didn't have qualms about giving him another ride. But her trusting gesture turned tragic and Carolina was forced to fight for her life.

Rising social media Influencer Alexis Murphy was on her way to a hair appointment, but never arrived. When a photo of her abandoned car was posted on-line, her worried loved-ones knew something was terribly wrong. But there's finally a crack in the case when gas station surveillance video reveals something truly bizarre.