There are also military scams (for God Sake, there are NO American Generals browsing dating sites and NO military man will EVER ask you for money.
Then there is a recovery scam - a scammer recontacting you pretending to be FBI, EFCC or any other authority, telling he can help you recover your money... And finaly there is a "stuck parcel" scam, when they supposedly sent you goods/gifts, but they got stuck somewhere on the way (for example, on the customs) and you have to pay to "customs" or some bogus shipping company to get them.
Stiles apparently lost his virginity during a brief stay at a mental institution (See Echo House) with werecoyote Malia Tate.
Women are usually nurses, models, charity or UNICEF workers or antique dealers.
After they establish some lovely correspondence with you, fall in love and maybe even send a couple of cheap presents, they will either: a) be almost on their way to meet you, but something will happen to them: they will get robbed, beaten, get into the hospital, or other misfortune will happen and of course you will be their only contact to ask for financial help, or: b) tell you that their employer pays them with Money Orders or checks, and they can't cash them in Nigeria.
They will send you the Money Orders or checks and ask you to deposit them into your bank account and then wire the money to them via Western Union.
Usually they say to keep some money for your trouble.