1. T 

2. F
(His Ponzi scheme was one of the biggest.)

3. F
(He arrived in the US in 1903 but it wasn't until 1919 that he set up his scheme.)

4. T

5. F
(At the beginning it wasn't illegal. Only when did he begin accepting investments to pay off his earlier investors - this was illegal.)

6. T

7. T

8. T