Yvonne Kay Johnsonhammer, a 39-year-old Chicago resident and skater with the Windy City Rollers roller derby team, was reported missing on December 5, 2010. She was last seen early that morning near 104th and Indiana. Her body was found on December 7, turning the missing-person case into a homicide investigation.

Yvonne’s role in the local roller derby community made her widely known and mourned; friends and teammates posted tributes recalling her kindness and contributions. Her death also became one of the homicides noted during a year that saw rising violent crime in Chicago.

Who in the community remembers Yvonne or saw her around 104th and Indiana on December 5, 2010?