In 1973, the year following Nixon’s re-election, the Watergate burglars testified that

The Watergate burglars were connected to Nixon’s Committee to Re-elect the President, the organization running his 1972 campaign. Their testimony and the investigation linked the break-in to people working for the re-election campaign, so the correct choice is “they had been employed by Nixon’s re-election campaign.”

AI-written and checked against the verified answer.