OAKLAND, Calif. (KRON) -- Friday marks six months since 52-year-old Oakland woman Amy Hillyard vanished without a trace, prompting her family to issue a new plea for anyone with information to come forward. Hillyard was last seen after 2 p.m. on March 25 on Radnor Road in Oakland. Authorities cons ider Hillyard to be at risk because of a medical condition. She and her husband, Chris Hillyard, own Farley's coffee shops, which have locations in both Oakland and San Francisco. French bulldog saved couple during NorCal bear attack, survivor says Since her disappearance, search teams have covered hundreds of miles using drones and dogs to hunt for clues. Investigators are zeroing in on areas where she was known to walk and hike, while her family is using a private investigator to develop leads. Her husband, Chris Hillyard, maintains faith that his wife will be found as family and friends continue to lean on one another. “Amy's friends continue to gather in the places they used to meet up with her,” Chris Hillyard said. “They do it because that's where they need us. She brings community together. They do it to share memories. They do it because me and my daughters they hold on to hope.” A $25,000 reward is being offered for information regarding her disappearance. Anyone with details about the case is asked to call the Oakland Police Department. All facts in this report were gathered by journalists employed by KRON4. Artificial intelligence tools were used to reformat information into a news article for our website. This report was edited and fact-checked by KRON4 staff before being published. ...read more read less