Detailed text transcripts for TV channel - MSNBC - 20171217:08:46:00
>> reporter: time to go tell zack how proud his mothersome your brothers are lucky to have such a great big brother. they really r >> you are. a great big brother. >> when the guy pulled up, what was it that made you think that this might be a dangerous situation? >> my mom and dad always talked to me about strangers coming up to me and saying help me find my dog or help me with something. >> you're our hero today. you're the hero of the day. >> yes, you are. [ applause ] >> reporter: safety expert patty fitting gerald says zack is an example for all kids, don't be embarrassed to say no to str...