Medical doctors believe young Jonathan died from brain injuries.
On Friday night, a community gathered wearing ribbons and holding candles in memory of him.
"He just loved his family, he loved playing, he loved having his cousins to sleep over," said Pastor Jeff Evans of Place of Hope Church.
Friday night, tearful family members of Jonathan Oakley's held each other as they lit a candle in his memory.
More than a hundred people filled the Beaver Dam Elementary gymnasium where Jonathan went to preschool.
"I didn't know him and I didn't know the family, but I just heard about it on the news, and it was just tragic," said Hartford resident, Amanda Lindsey.
Authorities say four-year-old Jonathan was abused by his mother's boyfriend last Friday night.
Detectives say Tucker injured Oakley's three-year-old, four-year-old and five-year-old while he was babysitting them.
Jonathan's injuries were so severe, he was removed from life support in a Cincinnati hospital Monday morning.
Investigators say Oakley knew of the abuse. Detectives are still trying to determine what happened.
"When it's senseless, it makes me real mad," Lindsey said.
On Friday, the focus was on healing. Those who didn't even know Jonathan or his family came out to remember the kid that liked pizza and chicken nuggets.
"I think it meant a lot for the family," said Tammy Mart.
"They don't deserve any of this, but they have to go through it anyway. They need to support from this town and for the community," Lindsey said.
"There's a lot of people who truly care. They gave out 2,000 to 3,000 ribbons today in honor of Jonathan and maybe that will remind someone. Maybe it will keep the next kid from being harmed, or it may save the next one," Pastor Evans said.
The mom and boyfriend are still in jail tonight.
Both appeared in court on Friday.
Tuckers bond has been set at $500,000 and Oakley's is set at $50,000 cash.
Visitation for Jonathan continues Saturday from 10:00 a.m. to 4:00 p.m. at Bevil Brothers Funeral Home in Beaver Dam.
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