Richard Sitzlack faces murder and two assault charges in connection with the fatal stabbing of a King County Metro bus driver last week.

Scores of people gathered Saturday night at the intersection where Shawn Yim was killed, overflowing the sidewalk and spilling into the road.

A Seattle bus driver was on the phone with 911 during his attack, relaying the location of his suspected killer before being stabbed to death.

When they reach their destination, King County Metro bus riders often thank drivers before they hop off. That sign of civility surprises some visitors to our region. Last week's stabbing death of Metro bus driver Shawn Yim came as a shock to many who ride busses and appreciate the work drivers do.

Two King County Metro bus drivers helped lead to the arrest of the man accused of murdering their coworker last week.