motive date location timezone title article_title fatalities injuries time type
unknown 1986 08 20 edmond , oklahoma , united states utc-08 edmond post office shooting edmond post office shooting
 15 -lrb- including the perpetrator -rrb- 6 ~ 7:00 a.m. mass shooting , murder-suicide
edmond post office shooting

the edmond post office shooting occurred in edmond , oklahoma on august 20 , 1986 .
during a deadly rampage that lasted less than fifteen minutes , postal worker patrick sherrill pursued and shot twenty co-workers , killing fourteen of them , before committing suicide .
sherrill 's attack inspired the american phrase `` going postal '' .
