A specific type of cold case—one in which no body was ever discovered, no obvious suspect ever surfaced, and the file simply sat in a drawer accumulating the weight of unresolved questions—stays with investigators for decades. That was precisely the case of Christina “Tina” Marie Plante. On a May afternoon in 1994, a thirteen-year-old girl from Star Valley, Arizona, leaves her home, claims to be going to a nearby horse stable, and just never returns. The hunt starts. The years go by. The case becomes icy.
The answer to their 32-year question was living quietly in Springfield, Missouri, raising three sons, graduating from Missouri State University with a degree in psychology, and holding a supervisory position at an insurance fraud investigation firm. This was something that Gila County investigators were unaware of and could not have known. More than 1,100 miles away from the Arizona community where her name had been on a missing persons list since before the majority of her coworkers were adults, Christina Plante, now 45, had established a full, functional, private life.
| Category | Details |
|---|---|
| Full Name | Christina “Tina” Marie Plante |
| Date of Disappearance | May 15, 1994 |
| Age at Disappearance | 13 years old |
| Last Known Location | Star Valley, Arizona (heading toward nearby horse stable) |
| Last Seen | Approximately 12:30 PM, May 15, 1994 |
| Case Classification (Original) | Missing and Endangered — Suspicious Circumstances |
| Found Location | Springfield, Missouri |
| Distance from Disappearance | ~1,100 miles |
| Age When Found | 45 years old (2026) |
| Years Missing | ~32 years |
| Husband | Shawn Hollon (married ~1998), software engineering manager |
| Children | Three sons |
| Education | Psychology degree, Missouri State University |
| Current Occupation | Supervisory role at Springfield-based insurance fraud investigations firm |
| Investigating Agency | Gila County Sheriff’s Office, Arizona |
| Key Investigator | Captain Jamie Garrett (cold case team) |
| Chief Deputy | Jim Lahti, Gila County Sheriff’s Office |
| Case Resolution | Officially resolved, April 2026 |
| Investigation Tools Used | Social media, public records, modern cold case review methods |

Instead of a dramatic tip or a deathbed confession, the case came to light through the kind of meticulous, methodical work that contemporary cold case teams have become much more adept at: social media searches, public records, and the laborious process of matching old details to a current identity. When Plante was eventually contacted by Gila County Sheriff’s Office Captain Jamie Garrett, the conversation seemed to stop him cold. “I was dumbfounded,” he said to NewsNation. “Oh my god, I thought. Alright, so you fled. He told her straight out that the authorities had long thought she had been abducted and that the case had been filed as a criminal case because it was assumed that something horrible had happened to her. In response, she admitted that she had fled and mentioned that she had communicated with another relative during that period. She hasn’t said much more than that. Officially, it’s still unclear who she left with and how she traveled more than a thousand miles at the age of thirteen.
The life she created in the intervening years is truly unique. Four years after she disappeared, in 1998, Plante wed Shawn Hollon while still a teenager. Hollon, who is currently a manager of software engineering, told the Daily Mail that his wife had told him her story prior to their marriage and that he was aware of her identity and origins, but he declined to go into public detail. They live together in a Springfield house with five bedrooms. After returning to school as an adult, she graduated with a degree in psychology and went on to work in investigations, a somewhat ironic career choice considering the circumstances. That detail might have some significance, or it might have no significance at all. Stranger paths lead people to careers than that.
There is a complex undertone to the response to the case resolution that is worth considering. Some people find the story to be blatantly positive: a woman who overcame great obstacles to rebuild herself, a family’s long-standing uncertainty resolved, and a missing person found alive. For others, the unresolved questions cause discomfort. How does a thirteen-year-old disappear from a small Arizona town to such an extent that it takes thirty-two years for anyone to find her? She has reportedly been reluctant to disclose the details of how she left or who assisted her, according to authorities. Chief Deputy Jim Lahti acknowledged that she had run away and mentioned having contact with a family member, but the complete picture is still unknown, presumably because she chose to keep it that way.
In the true crime discourse that American culture has developed around missing persons, cases such as this one are awkwardly positioned. The genre typically has darker endings, such as the discovery of remains, the conviction of offenders, and the eventual naming of victims. Everyone says they hope that a missing child will be found alive and well decades later, but when that happens, it raises a different set of questions that are more difficult to put away. Reading the specifics of what the investigators pieced together gives the impression that Gila County’s cold case team anticipated one type of story and discovered an entirely different one. The matter has been settled. For now, Christina Plante is the only one with the answers.

