nbc's john yang joins us live from los angeles. at this point, you know, john, i'm sure tips are coming in from left and right here. i do know they're still focused on the ski resort area and other than that, this seems like a need until a haystack. >> that's right. authorities say they they have gotten about 600 phenomenon calls so far to that tip line since the reward was announced. and the search does continue in big bear lake, the san bernardino mountains area, east of los angeles. but there's been no solid evidence of the whereabouts since thursday since they found his burned out pickup truck in -- near big bear lake on thursday. there have been false alarms like the one you talked about last night at lowe's. but they're still looking. they're still looking in big bear lake and along the border. checking cars going in to mexico from san diego. and along the mexican border. they're still looking and think still have teams protecting