Julie Patz spoke Tuesday outside her New York City apartment building, a week after a man confessed to killing her 6-year-old son 33 years ago.
"This is taking my freedom away," she said. "I just wish this could be over."
She made the remarks after running into reporters and photographers.
Asked if she believed police got the right suspect, Patz said: "No comment. It's an ongoing investigation."
Etan's body hasn't been recovered.
Authorities are continuing to flesh out the case after Pedro Hernandez made the startling admission. He worked at a neighborhood convenience store when Etan vanished on his way to school May 25, 1979.
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