Unproved claims re-emerge around DNC staffer's death: Here's what you should know

Mary Rich, the mother of slain DNC staffer Seth Rich, gives a press conference in Washington, D.C., on Aug. 1, 2016. Seth Rich was gunned down walking through a D.C. neighborhood in July 2016. Some have theorized, without proof, that his death was related to his DNC work.
Mary Rich, the mother of slain DNC staffer Seth Rich, gives a press conference in Washington, D.C., on Aug. 1, 2016. Seth Rich was gunned down walking through a D.C. neighborhood in July 2016. Some have theorized, without proof, that his death was related to his DNC work.