California: Vallejo police kill unarmed 22-year-old, who was on his knees with his hands up
By Sam Levin
Vallejo police mistakenly shoot, kill robbery suspect
By maura dolan & Anita Chabria
Vallejo police shooting: Officer kills 22-year-old Sean Monterrosa on his knees after mistaking hammer for gun, chief says
By Melanie Woodrow
Family of Sean Monterrosa, the SF man killed by Vallejo police, speaks out: 'My brother was kneeling and surrendering'
By Megan Cassidy & Michael Cabanatuan