diana alvear, nbc news, seattle. >> terrific story to end on tonight, as we welcome diana alvear. >>> and a quick note about tomorrow night's broadcast, dr. nancy snyderman will have a special report on the increasing challenges for the millions of us who have been thrust into the role of caregiver at one time in our lives, especially those of us caring for aging parents. that's tomorrow night here on nbc nightly news. >>> and that is our broadcast for this tuesday night. thank you for being here with us. i'm brian williams. of course, we hope to see you right back here tomorrow evening. good night. -- captions by vitac -- www.vitac.com >>> police investigating another daylight shooting. is this a trend? i'll take a closer look. >>> the potentially tainting dog streets. the fda expands its investigation. >>> good evening.

thank you very much, nbc's diana alvear there, we appreciate that. so we'll stay on top of that story. we'll bring it to you on that. >>> meantime, who is going to get the silver medal on the gop ticket? mitt romney could reveal his running mate any day now. up next a closer look at the names on the leader board there and the strategy behind the timing. >>> i read the line that said lochte's mom says he goes on one-night stands. and i was like, i was in shock. >> and more of my one-on-one interview with ryan lochte. he sets the record straight about his dating habits for all the young ladies who want to listen to that, and when he might have time for a girlfriend. stick around. juicy brats grilled up on a thursday. the perfect use of the 7th inning stretch. get that great taste anytime with kingsford match light charcoal. to experience the largest, most efficient line of luxury hybrids on the road, including the all-new esh. ♪ while many automakers are just beginning to dabble with the idea of hybrid technology... ♪ ...it's already ingrained in our d

diana alvear is in san pedro this morning. diana, good morning to you. >> reporter: good morning. tony scott was a legend in hollywood, the creative force behind dozens of movie hits. when the news came someone jumped to their death from this bridge, his friends were shocked to learn it was tony. he was known for directing some of hollywood's biggest blockbuster like "top guns" and "days of thunder" starring tom cruise. he also worked with eddie murphy on "beverly hills cop 2" and worked with denzel washington. in "the taking of pelham 1-2-3." >> denzel, i think you should play the scene this way, wear this haircut, wear these sunglasses. you can forget all that once you know what the interior of the personality is. once you found that guy, it's so much easier to find that one person for every one of my actors. >> early sunday afternoon scott took his own life by jumping off the vincent thomas bridge, plunging into the los angeles harbor. witnesses told police they saw him leave his car around 12:30 sunday afternoon and scale an 8 to 10 foot fence on the south side of the bridge b