A U.S. House investigation into the Jan. 6 attack on the Capitol is entering its final phase before lawmakers' findings become public later this spring.As that probe continues, prosecutions are running on a parallel track. Dozens of defendants are now awaiting trial and being held in together in a single unit at a Washington, D.C. jail.While corrections officials have said the accused insurrectionists are being kept from the jail's general population "for their own safety and security," that decision has come with some unintended consequences, including a bitter divide among the defendants.Tom Dreisbach of NPR's Investigations team spoke to some of the defendants.In participating regions, you'll also hear a local news segment to help you make sense of what's going on in your community.Email us at considerthis@npr.org.