Overview

• Sean Collins remains held without bail pending his August 14 arraignment and the completion of a court-ordered mental health evaluation.
• He faces one murder charge with a deadly weapon enhancement and two counts of felony child endangerment.
• Prosecutors say Muni surveillance footage and testimony from two child witnesses captured the moment Colden Kimber intervened to protect women and children before being fatally stabbed.
• Friends and family have launched a GoFundMe that has raised over $76,000 and are organizing a memorial bike ride on September 7 in Golden Gate Park.
• The case has prompted renewed calls for improved safety measures across San Francisco’s public transit system following a series of violent assaults.