The brother of actor Mark Ruffalo has died a week after he was shot in the head, police said today.

Scott Ruffalo, 39, died late Monday night at Cedars-Sinai Medical Center in Los Angeles. The hairstylist, was found with a gunshot wound to the head in Beverly Hills on Dec. 1. Police haven’t discussed a motive.

Two people wanted for questioning about the shooting had surrendered themselves to police earlier Monday. Shaha Mishaal Adham was suspected of shooting Scott Ruffalo, and authorities had issued an attempted murder arrest warrant for the 26-year-old. Brian Scofield was being held on a misdemeanor traffic warrant.

Jail records didn’t indicate whether the pair have hired attorneys, but showed that a court date for Adham had been tentatively scheduled for Wednesday.