it is however still a challenge, and when the case went to trial, keith greer would be against a topd it was pathetic. >> two families connected by tragedy prepare to go head to head in a courtroom. coming up. >> did you attack her? >> no. >> did you sexually assault her? >> no. did you tie those knots on her body? >> no. >> would a jury believe him? >> i sat down next to him and said merry i'm sorry, this is probably not good news. >> when dateline continues. enamel is the hardest tissue in the body. it's the protective layer outside your teeth. pronamel repair is our first line of defense. it goes deep into the surface of the tooth to actively repair it. i personally use pronamel repair every single day, morning and night. girls trip. ♪ it's the most wonderful time of the year ♪ i personally use pronamel repair every single day, get fast relief of your worst allergy symptoms. including nasal congestion. with powerful claritin-d. so you can breathe better. feel the clarity and make today the most wonderful time of the year. claritin - d. facing expensive vitamin c creams with dull r