Pyramid schemes took in at least $ 200 million from 3 million this year , officials say . Colombia 's leader says people falsely said he and his sons invested in schemes . Comment: ` There 's been slander against the good name of my family '' Officials last week arrested the head of a Colombian company accused of defrauding millions of investors . Firms defrauded public by purporting to offer a sure investment , government says .
Pyramid schemes took in at least $ 200 million from 3 million this year , officials say . Colombia 's leader says people falsely said he and his sons invested in schemes . Comment: ` There 's been slander against the good name of my family '' Firms defrauded public by purporting to offer a sure investment , government says .