Lisa Harvey disappeared while on a drive to California's Lake Isabella on April 29, 2017.
Chelsea, who was 22, was last seen leaving a crowded Halloween party.
Anna Maciejewska has been missing since early April.
A fisherman discovered Aly Yeoman's body Sunday afternoon in the Feather River.
A man missing since late last week has been found safely in an Atlanta hospital, according to family members.
Darrell Rice was last seen on May 3, 2017 in Atlanta, Georgia.
Alyssa Ross and her daughter Adalyn disappeared on April 26.
Alyssa Ross and baby Adalyn were last seen April 26, 2017 in Yukon, Oklahoma.
Veronica Casciato disappeared on April 6, 2017 after leaving campus.
On Thanksgiving Day, Chareen Nickel knew something was wrong when her daughter Malina didn’t show up for dinner.“The holidays were always difficult,”
Nahomi Rodriguez disappeared July 17, 2016 after leaving work.
Charles "Chad" Reidy was found dead inside his garage during a well-being check by police officers.
Alycia Yeoman disappeared on March 30, 2017 from Yuba City, California.
Terrence Wayne Roach, 24, a half-brother to one of Aleah's sisters, was arrested last week.
Ray Ellis is being held on a $1 million bond on several charges including second-degree murder.
Joanne Ringer was last seen on March 2, 2017.
Monica Sykes disappeared on October 28, 2016.
Aleah Beckerle disappeared in July of last year from her family's Evansville, Indiana home.
Karena McClerkin was reported missing on October 11, 2016.
Maricela Garcia disappeared on January 12, 2017 while out shopping with her sister.
Michael Chambers is the last person one would imagine would just disappear.
Zuzu Verk disappeared in October and her remains were found in early February.
Cory Hixson was last seen seen on March 11, 2017.
Toni Anderson vanished January 15, 2017.
Alexis Say, who disappeared in January after leaving a Miami hospital, has been located safe, her mother Jennifer has told Dateline.