FBI arrests suspect in investigation into pipe bombs planted near DNC, RNC before Jan. 6 attack - NPR

1. FBI arrests suspect in investigation into pipe bombs planted near DNC, RNC before Jan. 6 attack  NPR
2. FBI arrests man in Jan. 6 DC pipe bomber investigation  CNN
3. Analysis: How investigators connected the dots to DC pipe bomb suspect; and why his behavior raises new concerns  WTOP
4. Suspect arrested in January 5 DC pipe bomb case  NBC News
5. What led the FBI to the man accused of placing pipe bombs in D.C.  PBS