alexis christophorus, cbs news, wall street. >> the jobs numbers. all three indices down at the end of the week at closing today the dow down by 20, nasdaq down by 27 and s&p 500 dropped nine points. >>> and we have breaking news at the top of this hour. tonight we are getting our very first glimpse of some evidence used to convict a local grandmother in the murder of her own granddaughter. >> carmela derosea was convicted in the case. we go live for the fairfax county courthouse. had to be tough to go through all that, peggy. >> reporter: definitely. let me tell you this, detective steven needles questioned the woman for an hour in a videotape interview the night she threw her granddaughter off that bridge. that video along with the surveillance video played a huge role in convincing the jury to find her guilty. >> reporter: on the surveillance video from tye son's corner center you can see the family cross the 45-foot high bridge from the parking garage into the food court. carmela is in the big blue jacket. her husband who was holding the child p