cases in the mansion's library and can be viewed if one happens to be attending an event for which the mansion is open. Upon his death, Phelan bequeathed Montalvo thus: The San Francisco Art Association (SFAA) assumed trusteeship of the estate in 1930. Within a year the association announced the intention to launch an artist residency program, the third program of its kind in the United States. The program began in 1939 with ten artists in residence. After World War II, a shift in priorities for the SFAA left many people concerned about the future of Villa Montalvo. These citizens together formed the Montalvo Association. Trusteeship was transferred to the organization in October 1953 where it remains today. On April 11, 1971, serial killer Karl F. Warner murdered his third and final victim, Kathy Bilek, 18, on the grounds of Villa Montalvo. It was the investigation into the Bilek slaying which led to his arrest and conviction for his string of three slayings of teenage girls throughout the southern Santa Clara Valley. Montalvo Association Today, the Montalvo Arts Center is a private non-profit cultural center maintained by the Montalvo Association through a partnership with Santa Clara County. The park and arts center are open to the public. Funding support is provided by the Friends of Montalvo memberships, as well as foundation grants, other private donations, and earned income via ticket sales and rental fees. More than 600 volunteers donate thousands of hours annually to support the arts programs and maintenance of the villa and grounds. Since 1939, the estate has hosted "artists-in-residence" who live and work on the property. Artists range from musicians, painters, actors, writers and architects. While in residence, the participants produce works and give performances. Since Montalvo started its artists-in-residence program, more than 600 artists from 20 countries have participated, including Karla Diaz. In 2003 the residency program's board found Gordon Knox, who had initiated and run a remarkable arts residency for 11 years, the Civitella Ranieri Foundation at a castle in Umbria, Italy. Knox envisioned and established a new international iteration of the Montalvo artist residency program designed for a new purpose-built residency campus. In the fall of 2004, Montalvo opened the Sally and Don Lucas Artists Programs, which offer facilities and staff that are supportive of the creative process as well as state-of-the-art technology. A small gallery, called the Project Space Gallery, as well as