Robyn Williams, a 50-year-old San Francisco resident, was killed on August 16, 2007. Her death was one of a notable rise in homicides that year, and it became one of several cases that stalled amid limited evidence and scarce witness cooperation.

The San Francisco Police Department classified Williams’ killing among cases that can go cold when leads dry up; the city has offered rewards between $50,000 and $250,000 for information that leads to an arrest and prosecution in cold homicides. The case is presented as emblematic of broader challenges faced by the city in the mid-2000s when homicide rates increased and many investigations lacked actionable evidence.

Does anyone with information about Robyn Williams or her death in August 2007 want to come forward to help bring answers?