After Tuesday’s marathon 5 hour hearing, Facebook CEO Mark Zuckerberg will now testify before the US Senate’s Energy and Commerce Committee. Tuesday’s session featured 44 legislators probing Zuckerberg with queries about how Facebook safeguards user data, details on the Cambridge Analytica scandal, and even questions about what kind of regulations Zuckerberg believes should be put in place to regulate Facebook.

Read more: Key highlights from Zuckerberg’s US Senate appearance Day 1

This isn’t the first time Facebook has been forced to testify about the vulnerabilities of its platform before Congress: in October, Facebook, along with Google and Twitter, were asked to account for how their networks were used by foreign agents to influence the 2016 election. Zuckerberg was spared from the grilling, though, and Facebook got away with simply sending the company’s top lawyer to DC.

Live video

We’re live blogging the whole thing here: