although monitored bhumans, robot itself does 99% of the work. it not only knows exactly where am, but who i am, using a ecial app only the recipient n open the lid and get at the ods. ecifically aiming at suburbs, aces with open sidewalks. g cities are too crowded ready. d of course, there are other lnerabilities to consider. isn't there a concern about enagers, taking aback to it. r fun. >> sure somebody will do that at some point. there its also. danger of, then the same people taking it back to a parked car for instance. >> reporter: he said if he gets in trouble, a human operator will use a speaker to warn cull pretties they're being filmed and authorities are on the way. 7v >>> it's friday, march 11th, 2016. thisgi is the "cbs morning news." >>> issues over insults.rw the republican candidates tone it down in their last debate before tuesday's critical primary contest. >>> remembering nancy reagan. more than a thousand peof;ple will attend the funeral today for the former first lady. >>> dishonorable discharge. the wounded warrior froth fir