CARY, N.C. (WTVD) -- A Cary man has been charged with selling drugs out of his popular pizza restaurant.Investigators say 35-year-old Michael Furstler was arrested late Tuesday at Michelangelo's Pizza on Harrison Avenue.Arrest warrants show police found LSD, marijuana, and oxycodone.When Furstler faced a judge Wednesday afternoon it was also revealed that police found a sawed-off shotgun in his desk drawer at the store.Investigators say they used a confidential informant to buy drugs from the pizza shop owner.Wednesday, the popular family restaurant sported a sign that said "temporarily closed for renovations."One Cary man who showed up with his two young sons hoping to eat the lunch buffet told ABC11 he was shocked at the charges."Pretty amazing," said Skipper Turk. "I'm disappointed, surprised. I know that people make mistakes, and it sounds like he's made some serious ones."In court, Furstler told the judge he runs three restaurants in the Triangle and has a child. He asked that his $500,000 bond be lowered.However, a prosecutor told the judge that Furstler's criminal history includes two marijuana convictions, two DWI charges, attempted forgery and larceny.After hearing that, the judge decided not to change the bond.