What should have been a place for squats and spin classes turned into a hunting ground for a serial locker thief, according to San Francisco police. Now, officers say the woman they suspect of working her way through gyms around the Bay has been caught.
The San Francisco Police Department says 40-year-old Andrania Yancy was arrested in Sacramento on Monday after what investigators describe as a months-long series of gym locker burglaries targeting fitness studios across the region. She was booked on multiple warrants tied to thefts at several gyms.
According to an SFPD Facebook post, investigators in the department’s Financial Crimes Unit identified Yancy as the suspect in a pattern of locker break-ins at multiple San Francisco fitness studios between November 2025 and March 2026. The post states she was booked into San Francisco County Jail on nine warrants alleging burglaries in San Francisco, El Cerrito, Berkeley, Santa Clara, Oakley, San Mateo County, Contra Costa County and Orange County, and lists case numbers 250-624-860, 266-004-129 and 260-166-658.
Police say a multi-agency team, including the U.S. Marshals PSW RFTF, located Yancy in Sacramento and took her into custody on Monday. SFPD says the investigation remains open and active.
A pattern beyond the city
Similar locker-room thefts have been popping up elsewhere in California this year, and local arrests in other counties show how quickly small locker hits can spiral into identity and auto crime.
A months-long Santa Clarita gym locker spree ended with an arrest in March, and KCRA reported on a separate string of Sacramento burglaries. Together, those cases highlight how stolen wallets, credit cards and keys can fuel a whole second wave of crimes far beyond the locker room.
How detectives say she worked
Investigators allege the suspect relied on a simple playbook: sign up for day passes under fake names, get into locker rooms, then quietly pull wallets, credit cards and keys from unattended lockers. Those keys, police say, could open vehicles or help access accounts.
According to SFPD, officers and gym employees reviewed surveillance video and member records to link incidents across multiple locations. Several fitness businesses also secured stay-away orders against the woman as the investigation progressed. Detectives are still reaching out to potential victims while they review additional footage and transaction histories.
What victims should do
If you think your locker may have been hit, review your bank and credit card statements and flag any unfamiliar charges with your card issuer immediately. The Federal Trade Commission’s IdentityTheft.gov site walks victims through recovery steps, creates an official report and generates a customized action plan.
Anyone with photos, video or other information is asked to contact the SFPD tip line at 1-415-575-4444 or text TIP411 and begin the message with “SFPD.” Additional options are listed on the SFPD contact page.
Legal note
Police emphasize that an arrest and booking reflect an ongoing investigation and outstanding warrants, not a final finding of guilt. Prosecutors will decide whether to file criminal charges and which counts to pursue. Any formal charges and arraignment dates will appear in court filings and public case records once the district attorney’s office completes its review of the evidence.
SFPD and partner agencies say the probe is continuing and again urged anyone with information to step forward. Investigators are particularly interested in surveillance footage from gym locker rooms and nearby parking lots. If you have a relevant video, call the tip line or text TIP411 with “SFPD” at the start of your message.
