The White House aide who revealed that Richard Nixon had secretly recorded his conversations as president has died. Alexander Butterfield was 99.

Alexander Butterfield, a former White House aide who exposed the recordings that revealed the Watergate scandal, has died. He ...

Butterfield served as a deputy assistant to Nixon from 1969 to 1973 ...

Alexander Butterfield, the White House aide who disclosed Richard Nixon's secret audio taping system, providing the "smoking gun" of the Watergate scandal ...

Alexander Butterfield, a former top aide to President Richard Nixon whose disclosure of a secret taping system in the White House dramatically shaped the Watergate scandal, ultimately leading to Nixon ...

Alexander Butterfield, the Nixon aide who revealed to Congress that there was a secret taping system in the White House, died on Monday at age 99 ...

It may not have been headliner news, but Richard Nixon once banned soup from being served at his state dinners. Here's the ...

There is tape in the Oval Office,” said Mr. Butterfield, a former White House aide, in testimony that rocked the Watergate hearings and led to the president’s resignation.

Alexander Butterfield, the former White House aide whose testimony revealed the existence of President Richard Nixon’s secret ...

Alexander Butterfield, the White House aide whose testimony helped trigger Richard Nixon’s resignation over the Watergate scandal, has died, his wife confirmed to the Associated Press. Butterfield was ...