• A second suspect, 27-year-old Smiley Martin, has been arrested in the Sacramento shooting on suspicion of possession of a firearm by a prohibited person, and possession of a machine gun. Martin was injured in the shooting and remains hospitalized, and he is the brother 26-year-old Dandrae Martin, who was arrested earlier Monday; both brothers have criminal pasts. [KTVU]
• One of the victims killed in the shooting has been identified as 57-year-old Melinda Davis, a homeless woman who was known to sleep on the sidewalk near where the shooting occurred. [KRON4]
• There was a vigil Monday night in Sacramento for the victims of Sunday morning's shooting, attended by around 100 mourners, and it was reportedly filled "raw pain and anger." [Chronicle / KTVU]
• Including the Sacramento shooting, 13 people were killed in shootings across the country over the weekend, and nearly 50 people were injured. [CNN]
• KPIX went around asking tourists in Union Square what they think of the new protest billboard put up by MADD about fentanyl in San Francisco. [KPIX]
• Joel Bartlett, a Bay Area weatherman who spent decades delivering weather reports with unusual zeal and humor on KPIX and KGO, has died at the age of 81 after a battle with gastrointestinal cancer. [Chronicle]
• Yep, Elon Musk is joining the board of Twitter after buying a 9.2% stake in the company. [KRON4]
• Former President Barack Obama is joining Biden at the White House today to mark the 12th anniversary of the Affordable Care Act. [Associated Press]

Photo: Fiiz Mehmed