Outrage as Mother of 'Baby Doe' Walks Free Following Boyfriend's Conviction

Rachelle Bond testified against boyfriend Michael McCarthy, who was convicted of murder.

Rachelle Bond, who admitted to helping dump the body of her 2-year-old daughter, is expected to walk free next month under a plea deal she reached with prosecutors.

The Massachusetts woman was sentenced to time served in exchange for being the prosecution’s star witness in the murder trial of Michael McCarthy, who was convicted Monday of killing their daughter, Bella.

Read: Boyfriend of Mom Found Guilty in 'Baby Doe' Killing: 'Finally, Justice for Bella'

Her expected release has generated outrage.

“There has been a lot of backlash against the deal that was made with the prosecutors. People are very upset,” Boston Globe reporter Maria Cramer told Inside Edition.

McCarthy faces life in prison at his sentencing hearing Wednesday.

“They charged the wrong person and the jury convicted the wrong person,” said McCarthy’s attorney, Jonathan Shapiro.

Prosecutor Dan Conley acknowledged Bond was not blameless.

“Rachelle bond loved the little girl,” he said. “But at the same time, she let her down terribly. That doesn’t make her a murderer.”

Bella’s body was dumped into Boston harbor and washed ashore weeks later in 2015. She was called “Baby Doe,” as authorities tried to identify her.

Prosecutors said McCarthy killed the toddler and then put her body in a trash bag and dumped her in the water off south Boston.

Read: Prosecutor: Boyfriend Murdered 'Baby Doe' Because He Thought She Possessed by Devil

The child’s mother pleaded guilty earlier this year to being an accessory after the fact..

She told jurors earlier this month that McCarthy killed her daughter because she didn’t want to go to sleep. “It was her time to die. She was a demon,” McCarthy said, according to Bond’s testimony.

She helped get rid of her daughter’s body because she was terrified of McCarthy, she told investigators.

Both adults were heroin addicts, investigators said. On the night Bella was killed, her mother said she walked into the toddler’s bedroom and saw McCarthy punch her in the stomach.

He hit the child so hard that she bounced off the mattress, Bond said.

Watch: Mom Charged With Child Abuse After 2-Year-Old Son Is Shot By Brother: Cops