OSWEGO, Ill. (WLS) -- Oswego police have released an update on their investigation into a crash into a Portillo's restaurant that killed a 2-year-old boy in July.

The crash was determined to be caused by driver error, and investigators said no criminal charges were warranted, Oswego police announced Wednesday.

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Finnegan McKee , 2, was killed when a car slammed through the front doors of the restaurant over the summer. Several other people were hurt.

The driver of the vehicle is a 50-year-old who lives in Michigan, police said.

In addition to no criminal charges being filed against the driver, "no citations were issued because Illinois law limits what charges can be filed for crashes on private property, and none of those apply

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