"After all, you MUST OCCUPY THAT BENCH continually for three hours to prevent that homeless person from sitting on that bench," the e-mail said.
Donors weren't happy that transients were sleeping on benches they had provided for the public, Viti said.
The group previously tried installing benches with metal dividers that split the seats. Transients simply began sleeping upright, said Deborah Marengo, president of Promote La Jolla.
No one has offered to sit a shift yet, Viti said. Some potential recruits expressed concern that the bench brigade could provoke retaliation from displaced transients.
In 2006, the Regional Task Force on Homeless estimated the homeless population at 9,600 countywide, which included 4,400 people within the city of San Diego.