Investigators say the man took an unknown amount of cash from a 7-Eleven store Wednesday but left empty-handed when he tried to rob another store about 25 minutes later.
Police Lt. David Whitlock says no one was injured.
The StarTrek.com Web site says the double-pointed sword used by the Klingons on "Star Trek" is crescent-shaped and about a yard long. Police did not specify what material it was made of.
No one has been charged in the incident.
CLICK HERE to follow Action News on Twitter
CLICK HERE to get Action News on your website
CLICK HERE to find Action News on Facebook
