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The officer blamed the restaurant for tampering with his food, after forgetting he had taken a bite himself.

A police officer who accused a McDonald's employee of taking a bite out of his McChicken Sandwich has found the culprit: himself.

Indianapolis police launched an investigation two weeks ago after the officer claimed someone had tampered with his food because he was a cop.

On Friday, Marion County Sheriff's Office released a statement revealing that it was the officer himself who had taken a bite out of the sandwich, but had forgot.

"Last week, a Marion County Sheriff's Office employee purchased a McChicken sandwich from the McDonald's location at 3828 W Morris Street, Indianapolis," the statement read, per WTHR. "The employee took a bite out of the sandwich upon starting his shift at the Marion County Jail, then placed it in the refrigerator in a break room."

"He returned nearly seven hours later having forgotten that he had previously bitten the sandwich. He wrongly concluded that a McDonald's restaurant employee had tampered with his food because he is a law enforcement officer."

The whodunnit kicked off on July 15 when the cop told WTHR — identified only as "DJ", with his face and voice obscured — about the heinous spite bite plot.

He told reporters he had ordered a McChicken sandwich, small fries and some choc-chip cookies, and had the receipt to prove it. He also evidenced the molested sandwich itself, which bore irrefutable bite marks.

"I started to warm up my McChicken and I noticed several small bites, he claimed. "I know I didn't eat it. No one else was around."

"I said, 'You know what? I am going to the McDonald's to see if they can get that taken care of."

After confronting the McDonald's manager, he scoffed at their offer of free food.

"I just wanted to find out who the person was and they deal with that person in an appropriate way," he declared.

The Indianapolis police statement reiterated that no McDonald's staff had tampered with the food, and that the forgetful officer had formally apologized to the restaurant.

"We recognize that McDonald's is a valued civic partner, and any insinuation in private or in the media to the contrary is unfounded," it concluded.