President Donald J. Trump and people associated with his campaign and transition team originally denied having contact with Russian officials before he took office. Here is what we know now about those connections.

At least eight people spoke with Russian officials or business people during the 2016 presidential campaign and transition.

Donald Trump Jr. Eldest son Jared Kushner Son-in-law and adviser Michael T. Flynn Former national security adviser Jeff Sessions Attorney general Paul J. Manafort Former campaign chairman Michael D. Cohen Longtime lawyer George Papadopoulos Former campaign adviser Carter Page Former campaign adviser

Two of them were told that Russians wanted to share damaging information about Hillary Clinton to help Mr. Trump’s campaign.

Donald Trump Jr. Eldest son George Papadopoulos Former campaign adviser

Three people in Mr. Trump’s inner circle attended a meeting with Russians that resulted from one of those conversations.

Donald Trump Jr. Eldest son Jared Kushner Son-in-law and adviser Paul J. Manafort Former campaign chairman

As a result of the special counsel investigation led by Robert S. Mueller III, two former officials pleaded guilty to lying to the F.B.I. about conversations with Russians.

Michael T. Flynn Former national security adviser George Papadopoulos Former campaign adviser

Two others were charged with crimes, but the crimes were not linked to the campaign in court documents. They pleaded not guilty.