 So this seems like a lot, as you just kind of pointed out, there seems to be some overlap here. Where do these various things stand? Right. The Democratic chair of the Senate Homeland Security panel will lead a bipartisan probe into the shooting, while several individual senators say they're conducting their own investigations. And this is also the case for several members in the House, where the Republican-led House Oversight Committee has already subpoenaed the head of the Secret Service, Kimberly Cheadle.