Note that the classic Spanish Prisoner trick also contains an element of the romance scam (see below).
Many con men employ extra tricks to keep the victim from going to the police.
Persuasion fraud, when fraudsters persuade people only to target their money, is an old-fashioned type of fraud.
This trick was featured in the HBO series Deadwood, when Al Swearengen and E. Farnum trick Brom Garret into believing gold is to be found on the claim Swearengen intends to sell him.
The Spanish Prisoner scam – and its modern variant, the advance-fee scam or "Nigerian letter scam".
This type of scheme is also called the "money box" scheme.
Salting or "salting the mine" are terms for a scam in which gemstones or gold ore are planted in a mine or on the landscape, duping the mark into purchasing shares in a worthless or non-existent mining company.
A common ploy of investment scammers is to encourage a mark to use money concealed from tax authorities.
The mark cannot go to the authorities without revealing that he has committed tax fraud.
Count Victor Lustig sold "money-printing machine" which he claimed could copy 0 bills.
The client, sensing huge profits, would buy the machines for a high price (usually over ,000).
The traditional romance scam has now moved into Internet dating sites.
The con actively cultivates a romantic relationship which often involves promises of marriage.
These cheques are altered to reflect the mark's name, and the mark is then asked to cash them and transfer all but a percentage of the funds (his commission) to the con artist.