On Nov. 28, 1991, Nymphe Poolman, 6, and her father went grocery shopping in Vriescheloo, Groningen, Netherlands. The family lived near the store, and Nymphe asked her father if she could walk home alone for the first time. Her father said yes and never saw his daughter again. — Nymphe Poolman was born in the Netherlands in 1984 to Peter and Jacqueline Poolman. Her mother described her as an empathetic child who had no problem defending herself when needed. She treasured family adventures and visited every zoo in the Netherlands.

Shane Alan Coffman, 7, was found dead in a deep freezer in February 1996, months after suffering unspeakable abuse from his mother, Bertha Jean Coffman, and her boyfriend, Donald Lee Gilson. — Shane Alan Coffman would never attend third grade, get his driver’s license or graduate high school. He would never feel a mother’s loving embrace. The only thing he ever knew was abuse and neglect. His former teachers at Little Axe Elementary School in Norman, Oklahoma, described Shane as intelligent. Shane…

Karen Lynn Styles, 22, disappeared on October 31, 1994, after going for a run in Pisgah National Park near Asheville, North Carolina. A deer hunter later found her remains still duct-taped to a small tree. — Trigger warning: This article contains graphic details of sexual assault and may be disturbing to some readers. James Thad Styles and Katheryn Styles were married 14 years before Katheryn gave birth to their only child, Karen Lynn Styles, on July 28, 1972.

Angie was last seen on November 13, 1989. Her husband, George Paul “Joey” Smith, was later convicted of murdering his second wife. — Angela “Angie” Pitz Smith was born in Baton Rouge, Louisiana, on September 13, 1965. In her 20s, Angie started working for a Baton Rouge cleaning service, where she met George Paul “Joey” Smith, 16 years her senior. Smith was previously married to Jacqueline Louise Ogergon in August 1988, followed by…

The couple was last seen in late October 1984, a few days before they were to fly to Hawaii for the winter. — Frank and Tessie Pozar, 61 and 56, respectively, owned and operated the Spokane Street Motel in Spokane, Washington. Along with the motel, the Pozars owned a laundromat and other motels in the Spokane area and had property investments. Friends described them as “hard-working,” and they invested most of their income…

Thora Afton Chamberlain, 14, disappeared from Campbell, California, on November 2, 1945, after getting into the car of a man who offered her a babysitting gig. — Thora Afton Chamberlain was a sophomore at Campbell High School (CHS) in Campbell, California. Shortly before 3 p.m. on Friday, November 2, 1945, Thora, 14, and a group of friends were walking on a sidewalk along Winchester Boulevard to the football field to watch a game between CHS and Washington…

The young beauty had been shot twice at close range shortly after she returned home from work. — Robert and Corinna Marr married in January 1996. They resided on Howard Street in Collinsville, a suburb of Adelaide, South Australia. Corinna, 25, worked as a real estate sales representative with Weeks and Macklin in Firle. She also did promotional work through a local modeling agency. On July 4, 1997…

Christine Rothschild, 18, was found dead on the campus of the University of Wisconsin-Madison after reporting an older man for harassment and stalking. — Born in Chicago to Emanuel and Patria Rothschild on Nov. 14, 1949, Christine Rothschild was one of seven children and the second oldest daughter. Two children were stillborn, and her one-year-old brother, Richard, died in 1942. The Rothschilds resided in a two-story English Tudor home at 6338 North Kenmore Avenue…

In 1997, a nine-year-old girl was brutally beaten, raped, and left for dead in a stairwell landing of a Chicago public housing apartment building. Miraculously, she survived, but the attack left her blind, mute, and paralyzed. For five years, she was known only as “Girl X.” — Trigger warning: This article contains graphic details of child sexual assault and may be disturbing to some readers. She was a beautiful little girl who loved to eat bologna with pancake syrup and dip sour cream potato chips in ketchup.