The veteran said he became fed up when he saw people thank the man for his service and one person give him money.
The veteran then confronted the man inside the convenience store.
He immediately called out that the man's uniform didn't look right, specifically that there was no name tag.
The man in question apparently had claimed to people that he had just returned from overseas, was injured in combat and was given three Purple Hearts.
The video (below) was posted on YouTube by a group that tracks alleged stolen valor cases. Guardian of Valor reported on its website that they know the man's identity and that he has done this before.
Read the full story + video at FOXNews.com
*Note that the video has profanity*