Katie McCoy, 19, of Schaumburg, a friend of Laura Engelhardt's, wears a green rubber bracelet on her wrist reading "stop dating violence." Conant High School students sold them to raise money after Laura's death.

Mark Welsh | Staff Photographer

Friends of Laura Engelhardt Nick Osten, 19, of Schaumburg, Katie McCoy, 19, of Schaumburg and Stephanie Gray, 19, of Elk Grove Village hold up a picture of her with rock star Chris Daughtry.

Mark Welsh | Staff Photographer

Katie McCoy, 19, of Schaumburg, holds up a picture of Laura Engelhardt with rock star Chris Daughtry.

Mark Welsh | Staff Photographer

Jeff Engelhardt, Amanda Engelhardt, her daughter Stelliah, and Shelly Engelhardt at their Hoffman Estates home.

Bill Zars | Staff Photographer