Santa Ana police were called at 7 a.m. about threatening graffiti on Greenville Street north of Alton Avenue, Santa Ana police Cpl. Anthony Bertagna said.

The graffiti read, "We gonna kill Gov. Brown 2 14 11," Bertagna said.

Santa Ana police were called at 7 a.m. about threatening graffiti on Greenville Street north of Alton Avenue, Santa Ana police Cpl. Anthony Bertagna said.

The graffiti read, "We gonna kill Gov. Brown 2 14 11," Bertagna said.

Between 2:15 p.m. and 2:30 p.m., a Santa Ana police officer saw more threatening graffiti at 1700 W. Segerstrom Ave., Bertagna said.

The vandal spray-painted in red, "27 more days 4 Brown" and included a swastika, Bertagna said, adding someone later painted over the red "7″ with a black "6″ as if it were a countdown.

"We don't know if they're related or not," Bertagna said.

Santa Ana police alerted the California Highway Patrol, which protects the governor, Bertagna said. CHP investigators will take the lead in the investigation, he added.

All the graffiti has been taken down, Bertagna said.

"We're taking this very seriously, of course, especially when they put out swastikas and threaten the governor, and with all that's going on in Tucson we have to take this seriously," Bertagna said.

There have been other incidents of graffiti vandalism in the area this month, including racist slurs against Asians and blacks spray painted on the walls of Orange County Housing Authority offices at 1170 N. Broadway, and "Kill the Cathlics" [sic] spray painted on St. Boniface Catholic Church at 120 N. Janss St. in Anaheim.