1.   In some cases, money laundering activity by Russian organized-crime gangs has been a suspected cause of banking collapse.

2.   A Swiss task force has already begun investigating possible money laundering activities in connection with the attacks.

3.   A Swiss task force has also begun investigating possible money laundering activities by bin Laden.

4.   Meanwhile, to prevent money laundering activities from the start, off-shore banks had to cross check customer backgrounds before allowing them to open accounts.

5.   He said it had been estimated hundreds of millions of dollars were tied up in money laundering activities in the region.