Questioning Melissa Calusinski

Watch excerpts of the Illinois day care worker's nine-hour interrogation

In the first hours of questioning, Melissa Calusinski, 22, tells detectives, "I had nothing to do with it."

Melissa Calusinski, 22, was questioned for more than nine hours following the death of a toddler in her care at a day care center in an affluent Chicago suburb in 2009. During that time, she denied having anything to do with the child's death more than 70 times - but ultimately confessed to something she now says she did not do.

Below are excepts of Calusinski's interrogation with Detectives Sean Curran and George Filenko of the Lake Zurich, Ill., Police Department.

In the first hours of questioning, Calusinski, 22, tells detectives, "I had nothing to do with it." "I did not do anything." The day care worker was first questioned by Lake Zurich, Ill., police detectives two days after the death of 16-month-old Ben Kingan, a toddler in her care:

Melissa Calusinski interrogation: "I did not do anything"

Initially, Calusinski insisted to investigators that she had nothing to do with the crime, but after six hours of questioning, her story changed:

Melissa Calusinski interrogation: Six hours later

After three more hours of intense questioning - nine hours total - Calusinski confirmed the suspicions of investigators:

Melissa Calusinski interrogation: "I was getting frustrated"