"eyewitness news" reporter alexandra huff tells us one special hero received a very special award. ♪ the marine corps, work and, get married and everything but my life was changed forever. >> reporter: may seventh, 2007 ronnie portis suffered burns to 90% of his body while serving in iraq. he lost two friends in that same incident much he's 29 years old. by land and air the eighth annual walk for the wounded in media raised funds and awareness for thousands of american hero heroes. 2 miles this walk is truly a symbol of solidarity. to the very long journey that these wounded heroes have made. this year our own ukee washington helped in presenting special award given out to officer jesse hartnett and his familiarly. >> for his service to our country and continued service to our community. >> reporter: hartnett a philadelphia police officer sustained injuries to his arm after being shot during an ambush earlier this year. >> it's tough to see these vets that have been up here. they have limbs blown off. it's very difficult and traumatic to have dealt with that and they still come here

"eyewitness news" reporter alexandra huff shows you the surprising mistakes many of us make and that one e-mail you shall never send. >> reporter: there's a special kind of anxiety that comes with typing an e-mail to an e-mail etiquette expert. >> hi, alex. >> reporter: then again e-mails and anxiety go hand in hasn't. >> the meeting is monday. everybody must a 10. no problem except it was all in caps. 30-point red bold and the team was offend. >> reporter: barbara, top coach for e-mail offenders. a world of snaps and emojis, she says the trouble comes from those trying to convey the same emotion that was e-mail. resist the all caps and endless reply alls. >> people hate getting e-mails that they don't need. >> reporter: what about the ones they do? how long does one have to respond? >> general guidelines is 24 hours. in business. but if you are if any conversation going back and forth and then all of a sudden you stop the chain, i'm thinking, well, what's going on so you have to say, i need to leave for meeting. i'll get back to you later. >> reporter: proper sign off can be a good

"eyewitness news" reporter alexandra huff shows you the surprising mistakes many of us make and that one e-mail you shall never send. >> reporter: there's a special kind of anxiety that comes with typing an e-mail to an e-mail etiquette expert. >> hi, alex. >> reporter: then again e-mails and anxiety go hand in hasn't. >> the meeting is monday. everybody must a 10. no problem except it was all in caps. 30-point red bold and the team was offend. >> reporter: barbara, top coach for e-mail offenders. a world of snaps and emojis, she says the trouble comes from those trying to convey the same emotion that was e-mail. resist the all caps and endless reply alls. >> people hate getting e-mails that they don't need. >> reporter: what about the ones they do? how long does one have to respond? >> general guidelines is 24 hours. in business. but if you are if any conversation going back and forth and then all of a sudden you stop the chain, i'm thinking, well, what's going on so you have to say, i need to leave for meeting. i'll get back to you later. >> reporter: proper sign off can be a good