A man built a bomb in plain view of customers at a Des Moines restaurant earlier this week. It happened Tuesday at Akebono, a sushi restaurant where the accused man was eating. Police have charged 40-year-old Ivory Washington with buying bomb-making items and then building the bomb at the restaurant. KTVI reports Des Moines Police Sgt. Paul Parizek says Washington told police he did it all because of "frustration that people in our society don't care about safety."

The bomb, described as a hand grenade-type device was made Tuesday evening, at the restaurant on 10th St. in Des Moines. Parizek told KCCI Washington's decision to build the bomb where people could see him doing it was because,

he is extremely frustrated with our world today and believes that people don’t take these types of threats seriously. (He) was going to make a point that he could sit somewhere and construct a device and, hopefully, somebody would call police.

Nam Tran, who owns the restaurant, claims he and other people working in the restaurant noticed Washington acting unusual.  Tran explains that,

(Washington) kept wandering around different tables. (He would) go to the electric outlet and plug in some device, a phone jack or something, and go up to the bar a few times and ask to throw some trash away.

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No one called police. That is until Washington was finished, and call authorities himself. When he did, he said the bomb was fake. The Des Moines bomb squad tested the device and determined it was real. They then arrested Washington who's being held in the Polk County Jail on a $25,000 cash-only bond. He's charged with Possession of an Explosive or Incendiary Material.

Des Moines Police detonated the device, which Parizek said could have killed anyone within 10-feet and injured anyone within 25-feet.

This is a terrifying reminder that if something seems out of the ordinary, call the police. If you see something, say something. We can't let our guard down. Ever.