The Federal Bureau of Investigation has stepped in to 'assist' local authorities in the wake of Lindsey Graham's unexpected death.

More details have emerged about how Lindsey Graham, a veteran United States senator was rushed for emergency medical attention on Saturday after reportedly experiencing severe…

The South Carolina senator’s office said the 71-year-old died after a “brief and sudden illness.”

Sen. Lindsey Graham (R-SC) likely died of a heart attack. The senator had a family his tory, with his father dying from a heart attack at 68.