What to know about the latest Department of Justice investigations

FBI agents raided a California home as part of an investigation into former Rep. Eric Swalwell (D-Calif.) on Tuesday, adding to a rapidly lengthening list of law enforcement actions that have a political component, just one week before the midterm elections. The day before, it emerged that the Department of Justice (DOJ) was seeking, for a third time, to prosecute former FBI Director James Comey, who has had a place near the top of President Trump’s list of foes for almost a decade.