It comes in the normal post, not email, hand written on school exercise paper, purportedly from a raped Ugandan child whose parents have been murdered and who needs money to pay for her schooling at St Paul's Nursing Training School.
I have received one of these letters.
They are VERY convincing, but it is a horrible SCAM. The school does not exist and once hooked, people are being taken for thousands.
Read more about it HERE