. >> it's so important we try to 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 ho