Are Russian Hackers Extorting Liberal Groups in U.S.?

The video discusses Russian hackers targeting progressive groups for extortion, possibly inspired by the 2016 election hacks. While there's no hard evidence of state sponsorship, the hackers use similar tools and methods. The ethical implications for targeted groups are significant, with some paying ransoms in bitcoins despite the risk of exposure. The FBI is investigating, and some groups have paid due to the small ransom amounts and potential embarrassment.

What role does the FBI play in the situation described in the text?

Why might some groups choose to pay the ransom demanded by the hackers?