The arrest of California senator Leland Yee made waves this week as the politician removed himself from the Secretary of State race after allegations of accepting bribes and conspiracy to traffic in guns.

He's just one of several politicians facing charges after the latest string of FBI investigations that focus on corruption at the local and state level.

Henry Lee wrote about this for the San Francisco Chronicle and joined us to talk about what it was like for the undercover agent in the Leland Yee case as well as what it means for other corruption cases around the country.