The man accused in Monday's deadly Chico library shooting appeared to flash a hand gesture during his arraignment June 25 that has been associated with extremist and online groups.
During the hearing, Bradley Scott Sayer appeared to make what looked like an "OK" hand gesture at his waist. The gesture is widely used to mean approval, but in some contexts it has also been used as a trolling symbol and by white supremacists.
Sayer, 18, appeared in Butte County Superior Court but did not immediately enter a plea.
He is charged with two counts of murder in the deaths of two men at the Chico branch of the Butte County Library. Prosecutors have also filed firearm enhancements and a special circumstance allegation for multiple murders.
Sayer spoke only briefly during the hearing, responding "that's correct" when asked to acknowledge his name.
His attorney, Roberto Marquez, told NSPR he was not prepared to enter a plea because he first needs time to review the evidence investigators have gathered, a fairly common step early in a criminal case.
Following the hearing, Butte County District Attorney Mike Ramsey said he will seek a sentence of life in prison without the possibility of parole rather than the death penalty.
He told NSPR the decision took into account Sayer's age, autism and lack of a criminal record.
Sayer remains in custody without bail.
He is scheduled to return to court on July 16, when he may enter a plea.