Democrats in the House sent out letters today to 80 people and institutions affiliated with Donald Trump as they open a wide-ranging investigation into the possibility of obstruction of justice, abuse of power and corruption by the president. From The Washington Post:

“The farthest-reaching request since Democrats took control of the House underscored lawmakers’ determination to hold Trump and those around him accountable for controversies that have dogged the president during his first two years in office — and perhaps lay the grounds for impeachment proceedings.”

Those receiving letters include Trump’s sons, Don, Jr. and Eric, Jared Kushner, his son-in-law, Allen Weisselberg, the Trump organization’s CFO, and former White House staffers Hope Hicks, Steve Bannon and Sean Spicer, according to the Post.

The request comes from the House Judiciary Committee whose chairman, Jerrold Nadler (D-NY) said he believes Trump obstructed justice.

The recipients of the letters have ten days to reply before being issued a subpoena by Congress. Here’s a complete list: