in last weekend s deadly carjacking and shooting of a young new jersey lawyer and husband. dustin friedland had gone christmas shopping with his wife at the mall when they were ambushed as he was helping his wife get into the suv. police say friedland was shot several times, his wife was not hurt fwop assailants got into their car and drove off. prosecutors are holding a news conference at 9:00 a.m. eastern. just about an hour from now, two astronauts aboard the international space station are set to embark on the first of three emergency space walks. expected to spend about 6.5 hours today working 0en a critical fix to one of the station s key operating systems that makes sure that the equipment doesn t get overheated there on the space station. like any space walk, this is risky. nasa has taken some macgyver-like steps to keep astronauts safe. john zarrella has the latest on this from miami. hey, john. reporter: victor, pam, if you