Charlatans

The Australian: Fake builders to lose licences :

"Last month an inquiry heard evidence of builders providing false references to licence applicants and TAFE records being changed to substitute the names of persons qualified for diplomas with those who were not."


CHARLATAN
A person who makes elaborate, fraudulent, and often voluble claims to skill or knowledge; a quack or fraud.


[French, from Italian ciarlatano, probably alteration (influenced by ciarlare, to prattle), of cerretano inhabitant of Cerreto a city of Italy once famous for its quacks.]charla·tanic (-tnk) or charla·tani·cal adj.
charla·tan·ism or charla·tan·ry n.
http://dictionary.reference.com/search?q=charlatans

Last week we had the fake doctor(s) in Queensland operating on people and killing at least 5:

Lessons from Dr Death


now we have the fake builders. We seem to have a resurgence of charlatans and we need to put our boundaries in place and look out for ourselves. If credentials can be faked we are going to have to rely on word of mouth. This could disadvantage some very genuine practitioners of whatever trade...but who wants to be operated on by a fake doctor or hire a fake builder? The results can be quite dire. We never were a nation of charlatans. Well, that's something to talk about!