MUSKOGEE — From inside the U.S. Capitol during the rioting Jan. 6, Andrew Craig Ericson used Snapchat to post photos of himself inside House Speaker Nancy Pelosi's conference room, the FBI reports. In one, he is taking a "selfie." In the other, he has his feet up on a table. The 23-year-old Oklahoma man also livestreamed videos on Snapchat at the Capitol, according to an FBI affidavit. At one point, he took a bottle of beer — Corona Light — from a mini-refrigerator. Unlike others on Facebook or Twitter that day, Ericson used an app whose "core" concept "is that any picture, video, or message sent is available to the recipient for only a short time before it becomes inaccessible," the FBI said. It didn't