The machine showed that the challenger (Jennings) had won, but a hand recount showed that the incumbent commissioner (Mayo) won by a landslide — 540 votes to 175.

In one ward, which Mayo carried 242-78, the computer had mistakenly reversed the totals. And in the absentee voting, which originally showed a 47-44 edge for Jennings, a hand count found Mayo winning 72-19.*

* Aug. 6 ballot problems alleged: Clay, Barton county candidates seek review of races. Lawrence Journal-World. August 22, 2002. The Associated Press.

See: ES&S in the News

... the system we have for testing and certifying
voting equipment in this country
is not only broken, but is virtually nonexistent.
~ Michael Shamos
to the U.S. House Science subcommittee
on June 24, 2004