Bianca Marisol Prieto was just 23 years old when she vanished on November 28, 2019, in Ontario, California. Known for her vibrant personality and deep connections within her community in Rancho Cucamonga, Bianca's sudden disappearance has left her family and friends in a state of perpetual anguish.
Details surrounding Bianca's last known movements are sparse. She was last seen in Ontario, California, but the circumstances of her disappearance remain unclear. There is limited public information about her activities or interactions on that day, making it challenging for investigators to piece together the events leading up to her vanishing.
Bianca is described as a Hispanic female with brown hair and brown eyes. At the time of her disappearance, she stood between 5'6" and 5'8" tall and weighed approximately 130 pounds. Her case is registered with the National Missing and Unidentified Persons System (NamUs) under the number MP72330.
In the years following her disappearance, Bianca's case has garnered attention from various organizations dedicated to solving cold cases. Platforms like Uncovered have featured her story, urging the public to contribute any information that might lead to a breakthrough. Despite these efforts, no substantial leads have emerged, and her whereabouts remain unknown....Read More
ER
on A Tragic Loss: The Unsolved Murder of Curtis Roberson in Fort Worth
This is my father and I am his only child, over 30 years later his death still saddens our family. Thank you for your efforts and thank you for posting this.
November 7, 2025, 16:17
JG
on The Unresolved Disappearance of Emily Schuster: A Community's Quest for Answers
She has been found. https://coms.doc.state.mn.us/publicviewer/OffenderDetails/Index/254597/Search
October 29, 2025, 00:04
RW
on The Enigmatic Disappearance of Shannon Tanalski: A Journey Through Troubled Waters
There is “no record found” at California Department of Justice's Missing Person Search database!
September 7, 2025, 20:31
RW
on The Enigmatic Disappearance of Shannon Tanalski: A Journey Through Troubled Waters
She made mention in a last call to a friend before she went missing that if anything happened to her that two guys were responsible. Trying to get names….
September 7, 2025, 20:19