today's event also remembered erica heather smith. you might call the 14-year-old disappeared back in 2002. her body was eventually found 11 days later in a grave near a creek. her killer still at large tonight. >> it is so important that we try to get this chill murderer off the seat -- child murderer after the street and get some legal justice for our daughter. heather smith and again she does deserve justice. she was just a child. she didn't deserve to be murdered. >> the loudoun county sheriff's office is asking anybody with information about erica smith's death to give them a call. >>> attention virginia shoppers. you have but one day to take advantage of the state's tax- free shopping days. those tax-free savings apply to school supplies under $10 and clothing and shoes under $100. the savings also apply to baby clothing and diapers, men's and women's formal wear, golf cleating, lingerie and -- clothing, lingerie and wedding apparel.

get this child murdererrer off the streets and try to get some legal justice for our daughter erica heather smith. she does deserve justice. she was just a child. she did not deserve to be murdered. >> the loudoun county sheriff's office is asking anyone with information about erica smith's death to give them a call. >>> researchers believe they figured out how cancerous tumors become resistant to chemotherapy. a study in the journal nature says chemo damages the d.n.a. of some healthy cells and this allows cancer cells to invade vital organs and block the effectiveness of cancer drugs. scientists say the findings could lead to the development of better chemo treatment. >>> a spoonful of money makes the medicine go down in a sweet way to treat a child's cough. israeli researchers tested 300 children and gave them some honey just before bedtime. they found those who took the honey coughed less and slept better. previous research found that darker honey seemed more effective than lighter, possibly because of higher levels of antioxidants in the darker honey. >>> a new study finds changing the type

and try to get some legal justice for our daughter, erica heather smith. n, she does deserve justice. she was just a child. she did not deserve to be murdered. >> loudoun county sheriff's office is asking anybody with information about erica smith's death to give them a call. >>> coming up later on 9 news now, tonight we're used to getting cash from the atm. what about a sweet treat with the swipe of a card? >>> count down to mars. a $2.5 billion landing, just a day away. >>> warm and humid overnight today. you can feel the stickiness in the air with our temperatures moving into the 80s. we'll get down to the lower 70s for your wakeup weather. we'll feature lots of sunshine through morning. by midday clouds roll in. i'm tracking a slight risk of i'm tracking a slight risk of severe storms on the way fo we know where they've taken her. shhhh! we're here to save the princess. but the princess is sleeping. sorry. imagine what a little time can do for your family. shhhh! the princess is sleeping. oh, sorry! excuse us. shhh-shh! [ woman: ] my father taught me a