Home | All Cases | The Disappearance of Cristina Ase
Active Missing — Suspicious Disappearance — FBI Involved

The Disappearance of Cristina Ase

● Active Missing — Foul Play Suspected Nursing Director — 15 Years at Rose Linn Vancouver, Washington March 26, 2024
Missing Person
Cristina Ase
Age at Disappearance
61
Last Seen
March 26, 2024 — 6:30 AM
Last Known Location
SE Flavel & 92nd Ave, Portland, OR
Occupation
Nursing Director — Rose Linn Care Center
Vehicle Found
March 27 — Cleaned Residue, Duct Tape
Investigating Agencies
VPD, Portland PD, West Linn PD, FBI
Case Status
Active — No Arrests
About the Missing Person

Cristina Ase

Cristina Ase — Vancouver Police Dept.
Full NameCristina Ase
Date of BirthApril 26, 1962
Age Missing61 (would be 63)
Height / Weight5'8" / 151 lbs
Hair / EyesBrown and gray / Brown
NationalityArgentine-American
Last SeenMarch 26, 2024 — Vancouver, WA

Cristina Ase was born on April 26, 1962, in Argentina, where she worked as a biochemist. In the mid-2000s, she immigrated to the United States, teaching herself English and starting over entirely. Her first job in America was as a cook at a nursing facility. From there she transitioned to medical records, and then put herself through school, earning her RN, a bachelor's degree in nursing, and eventually a Doctor of Medical Science. She had lived in Vancouver, Washington with her husband, Anibal Diaz.

For fifteen years, Cristina worked as nursing director at Rose Linn Care Center, a skilled nursing and long-term care facility in West Linn, Oregon. Her coworkers described her as the heart and soul of the place and its glue — the person who kept everyone calm, who never had a bad word to say about anyone, who gave her whole life to helping others. She had a training session scheduled the day she disappeared, and her boss said she was looking forward to it. She was dedicated and reliable in a way her coworkers had never seen waiver. She had never missed a day of work in her 15 years there.

She called her sisters in Argentina every day. Her family mostly lives there, and they have stayed closely connected with her coworkers since her disappearance, checking in about once a week. "Truly, we are her family," said coworker Amy Schauer. "We're what she has."

Cristina Ase
01
Background

What We Know

On the morning of March 26, 2024, Cristina Ase left her apartment at the Village at Cascade Park complex at 501 SE 123rd Avenue in Vancouver at approximately 6:30 a.m. Phone data shows her traveling south on Interstate 205 into Oregon. At 6:47 a.m., she took the Southeast Foster Road exit. One minute later, she arrived in a residential neighborhood just north of Glenwood Park in Southeast Portland. Her phone remained in that area until 10 a.m. — over three hours. Investigators' analysis of the data indicated she was not stationary during that time. She was likely moving between the park and one or more nearby homes. At 10 a.m., her phone moved to the intersection of SE Flavel Street and SE 92nd Avenue, where it pinged for approximately five minutes before going dark. It was not heard from again.

At approximately 6:50 a.m. — about 20 minutes after leaving home — Cristina texted her boss to say she would be about an hour late, arriving at 8:30 a.m. instead of her usual 7:30. She never arrived. When she failed to show up and couldn't be reached, her coworker contacted the care center's executive director, who called her husband Anibal Diaz. Diaz told him he had not known Cristina was planning to arrive late that day. "At that very moment, we knew we were right. Something was very wrong," said coworker Amy Schauer, who had already sensed something was off. Diaz reported Cristina missing to the Vancouver Police Department that same evening.

Investigators checked Cristina's bank accounts and credit cards. There has been no financial activity of any kind since her disappearance. Her phone was never turned back on. There have been no known contacts with family or friends. The Vancouver Police Department classified her disappearance as suspicious and "far outside her normal pattern of behavior" from the outset. A VPD detective stated in a search warrant affidavit: "There is probable cause to believe that Cristina's sudden disappearance is related to a serious crime or imminently dangerous medical emergency."

02
Case Timeline

How It Unfolded

February 27, March 1 & March 5, 2024
Pattern of Late Arrivals — Three Prior Mornings
On three separate mornings in the weeks before she vanished, Cristina left home at her usual time, then texted her boss approximately 20 minutes later to say she would arrive at 8:30 a.m. instead of 7:30. On each occasion, her whereabouts during the intervening time were unknown. Investigators noted that the SE Foster Road exit of I-205 near Glenwood Park is a 20-minute drive from her apartment — the same exit her phone data placed her at on the morning of her disappearance. Her boss offered an alternate explanation, saying Cristina had a habit of scheduling brief medical appointments on her way to work so she would not be interrupted during her shift, and would notify the team accordingly.
March 26, 2024 — 6:30–6:34 AM
Cristina Leaves Home — Heads South on I-205
Cristina left her Vancouver apartment just after 6:30 a.m., as her husband Anibal Diaz confirmed. Phone data placed her driving southbound on Interstate 205 toward Portland rather than toward her workplace in West Linn. At 6:47 a.m., she took the SE Foster Road exit.
March 26, 2024 — 6:48 AM to 10:00 AM
Phone Spends Three Hours in Glenwood Park Area
Cristina's phone arrived in a residential neighborhood just north of Glenwood Park at 6:48 a.m. and remained in the area until 10 a.m. — over three hours. Investigators determined she was not stationary and was likely moving between the park and one or more nearby homes during this period. At approximately 7 a.m., she texted her boss to say she would be late, arriving at 8:30 instead of 7:30. She never arrived.
March 26, 2024 — 10:00 AM
Phone Moves to SE Flavel & 92nd — Then Goes Dark
At 10 a.m., Cristina's phone moved to the intersection of SE Flavel Street and SE 92nd Avenue, approximately a mile southeast of Glenwood Park. It remained there for approximately five minutes, then shut off. It was never turned on again. There has been no contact of any kind — phone, financial, or personal — since that moment.
March 26, 2024 — Evening
Husband and Coworkers Report Her Missing
After Cristina failed to arrive for work, coworkers attempted to reach her throughout the day. Her boss contacted Anibal Diaz, who said he had not known she was planning to be late. Diaz reported her missing to the Vancouver Police Department that evening. Coworkers also called police independently. VPD immediately classified the disappearance as suspicious and highly unusual for her normal pattern of behavior.
March 27, 2024
Car Found Near Apartment — Evidence Inside
Two of Cristina's coworkers, who were actively searching for her, found her dark gray 2013 Toyota RAV4 parked on the street outside her apartment complex — a full day after she left in it. The car had been returned while she was missing. Police seized it as evidence. Inside, investigators found a roll of duct tape, several hairs, and a powdery white residue coating multiple surfaces of the interior that appeared to be a cleaning agent. The rearview mirror was askew.
April 2024
Search Warrant Affidavit Released — Prior Pattern Revealed
On April 9, the VPD filed an affidavit for a search warrant that publicly detailed, for the first time, the phone data placing her at Glenwood Park, the condition of her car, and the pattern of prior late arrivals on February 27, March 1, and March 5. Vigils were held on April 5 at Rose Linn Care Center and on April 26, Cristina's 62nd birthday. Seven billboards provided free of charge by Lamar Advertising went up across the Portland metro area. Hundreds of flyers were distributed. Searches were conducted on foot, by boat, and along local waterways.
April–May 2024
Husband Moves to Argentina
Anibal Diaz, Cristina's husband, moved back to Argentina in the weeks following her disappearance. Police have expressed no public concern about him as a suspect and have stated that he cooperated with the investigation. Cristina's coworkers said they check in with Diaz about once a month and that he is devastated by her absence. "He said it was just too much for him here, and he couldn't stay in that apartment without Cristina," said coworker Amy Schauer. Both of their families remain in Argentina.
October 2024 — Ongoing
FBI Joins Investigation — Case Remains Active
In October 2024, the FBI's Seattle Field Office issued a public request for assistance in locating Cristina Ase and added her to its missing persons listings. The FBI is involved because Cristina crossed state lines the morning of her disappearance. VPD continues to lead the investigation, in collaboration with the Portland Police Bureau and West Linn Police Department. As of early 2026, Cristina has not been found and no person of interest has been publicly identified.
03
Investigation

The Investigation

The investigation is led by the Vancouver Police Department, with coordination from the Portland Police Bureau, the West Linn Police Department, and the FBI's Seattle Field Office. The three-jurisdiction coordination reflects the scope of the case — Cristina lived in Vancouver, worked in West Linn, and phone data places her last activity in Portland. The FBI's involvement was confirmed by October 2024 and is tied specifically to the state-line crossing. VPD Detective Jason Nicholson has been the lead investigator throughout. The city of Vancouver denied media requests for search warrant documents, citing the ongoing investigation, though the April 9 affidavit provided significant public detail.

The physical evidence from her car raised immediate concern among those closest to her. A roll of duct tape, hairs, and cleaning-agent residue on multiple interior surfaces suggested the vehicle's interior had been deliberately cleaned after she left in it. "Anytime somebody professionally cleans something, that has some mystery to it, it makes me very concerned," said Brady Waldroff, the Rose Linn executive director. "Does it make me very concerned? Yes." The car returned to her apartment on its own, while she was already missing — a detail police called one of the case's most puzzling elements.

The question of what Cristina was doing in the Glenwood Park neighborhood on those several mornings before and including the day of her disappearance has not been answered. Her coworkers emphasized that the neighborhood was completely unlike anywhere Cristina would normally go. The prior pattern — the 20-minute delay after leaving home, the route to the SE Foster Road exit, the time between leaving and arriving at work — points to repeated visits to an area that investigators have continued to treat as central to the case. No one from that neighborhood has come forward with information.

04
How to Help

Help Find Cristina

Physical Description
Height: 5'8"
Weight: 151 lbs
Hair: Shoulder-length brown and gray
Eyes: Brown
May be carrying: Black and white bag or purse
Age now: 63
Submit a Tip — Reward Available

Investigators are particularly interested in hearing from anyone who knew Cristina, had contact with her in the weeks before her disappearance, or has any knowledge of her activity in the Glenwood Park area of Southeast Portland. Crime Stoppers of Oregon is offering a cash reward of up to $2,500 for information leading to an arrest. FBI tips are also accepted anonymously.

Vancouver Police Department: (360) 487-7400

Detective Jason Nicholson: jason.nicholson@cityofvancouver.us

Sgt. Julie Ballou: julie.ballou@cityofvancouver.us

FBI Tips: tips.fbi.gov

Crime Stoppers of Oregon: 503-823-HELP (4357) — Anonymous, up to $2,500 reward

Missing Poster: Download and Share

05
In Her Memory

She Is Not Forgotten

Cristina Ase came to the United States from Argentina with nothing except determination. She taught herself English. She started as a cook. She worked her way through nursing school while holding a job. She earned a doctorate. She spent fifteen years building something at a small nursing facility in West Linn that her coworkers describe as a whole life's worth of care and presence. They called her the heart and soul. The glue. The person who told everyone not to worry, who never had a bad word to say about anyone. Who gave her whole life to helping others.

She called her sisters in Argentina every single day. She had a training session scheduled on March 26, 2024, and she was looking forward to it. She texted her boss to say she would be an hour late, which she had done before. She never walked through that door. Her car came back without her. Her phone went dark. Her bank accounts went still. There has been nothing since.

Her coworkers have kept looking. They organized vigils on her birthday. They put up hundreds of flyers and secured seven billboards for free. They have searched riverbanks and roads and neighborhoods. They call her sisters once a week. They call her husband. They have not given up. "We are her family," Amy said. "We're what she has." Cristina Ase is not forgotten. If you know something about what happened in the Glenwood Park neighborhood that morning, please come forward.

Sources
Vancouver Police Department — Official Statements & Search Warrant Affidavit, March–April 2024  |  KGW News — Initial Coverage & Search Warrant Details, March–April 2024  |  KOIN 6 News — Disappearance and Vigil Coverage, March–April 2024  |  KATU — Search Warrant Details, April 2024  |  KPTV — Court Documents, April 2024  |  NBC Dateline — Coworker Interviews, May 2024  |  Portland Tribune — Six-Month Update, September 2024  |  The Columbian — FBI Involvement, October 2024  |  FBI Seattle Field Office — Missing Persons Listing, October 2024  |  Charley Project — Case File, Updated June 2025  |  Clark County Today — Initial Coverage, March 2024