During my father's time as an architect he has had many types of clients and has worked with all kinds of unusual characters but none were more unusual than an engineer that he had worked with on a project about a decade ago. I cant remember his name so we will call him John Doe for story telling purposes.
My father was once telling me about an engineer named Herbert Class that he worked with for years. My father believed that Herbert was going senile and becoming stubborn so he decided to cut the old engineer loose. My father had come across another engineer, John Doe, who had a great resume, but he had no clue to what he was getting into. He contacted John about the job and had sent him some drawings to look over and the next day John had completed them, when my father had not even chosen him for the job. John then became angry and demanded payment, my father tried to calm him down and explain that he had not authorized him to do the work. John said that he did and he wanted his money now. The conversation ended with the John hanging up on my father.
The next day John called several times and left threatening messages on the answering machine. My father tried to ignore him but he kept calling and then one day my father was at home where he worked out of the house and he heard someone at the backdoor. He walked up the stairs to see who it was. He opened the door and there was a man standing there with two different shoes, one velcro and with laces. He had glasses that were held together by tape and hair so greasy that there was no way that he could have showered for a month.
It was John and he was greatly agitated and wanting his money. John got so angry that his nose started to bleed. My father was able to calm him down. John told my dad that he'd be back and he better have the money. John then walked away.
My father then followed him covertly to see where he had parked his car, but he didn't have one and stood at the bus stop waiting for the bus. My father's suspicions grew after looking up the address of John's office and driving out to it only to find it empty.
My father then took a closer look at John's professional engineers stamp and realized that it was a fake. He then examined the drawings and noticed that he had not done them properly and just altered the drawings and added dimensions in an attempt to fool my dad. My father then tried the engineers phone number and it was disconnected.
Several years later my father saw John at a conference where he was now posing as an expert in interior design.