PITTSBURGH (KDKA) — Bail’s been denied for a Wilkinsburg mother charged in the death of her 3-year-old daughter.

Adriene Williams is in the Allegheny County Jail. Police say she suffocated her daughter, Adrionna, last month and dumped the child’s body in Swissvale.

It was a three-week investigation by Allegheny County police detectives that led to the arrest of Williams in her daughter’s death.

The 26-year-old was arrested and led into the Allegheny County police headquarters Tuesday afternoon.

Police say she’s responsible for the death of her daughter, last month.

Adrionna Williams’s body was found in a ravine in Swissvale, less than an hour after she was reported missing in Wilkinsburg.

“I did not want to believe and I still don’t want to believe that she would do this to her own child, including a little child so beautiful and innocent,” said Angel Jackson, who’s organizing a birthday tribute for Adrionna Williams.

Adriene Williams’ charges include criminal homicide, endangering the welfare of a child, tampering with evidence and abuse of a corpse.

Jackson says the news of Adriene Williams as the person responsible is hard to believe.

“With the facts and everything they have against her, it’s just a sad moment,” added Jackson, “and I wouldn’t have never thought at a time like this, someone would do such a thing.”

Detectives say they found evidence in Adriene Williams’s car that matched evidence found at the scene in Swissvale, near Adrionna’s body, including colored paper clips and mud. They also say surveillance video shows Adriene Williams’s car in that area, and her cell phone tracked her to the neighborhood.

Jackson says people need to focus on remembering Adrionna, not her mother.

“It’s not about the mom, it’s about Adrionna,” she noted. “It’s been about Adrionna and celebrating her life. That’s all I wanted people to see was the positive in it. It’s never been about Adriene.”

Adriene Williams’ preliminary hearing is scheduled for July 17. Meanwhile, a birthday tribute for Adrionna, who would have turned 4 this coming Sunday, will go on as planned.

The tribute will take place July 12 at Mulberry Community Church at 601 Wallace Avenue, in Pittsburgh from 6:30 p.m. to 10:30 p.m.

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Lisa Washington