NEWTOWN, Conn. -- The parents of one of the 20 first-graders killed in the Sandy Hook Elementary School massacre met with the gunman's father for more than an hour, asking him about his son's mental health and other issues.

Alissa Parker told "CBS This Morning" in an excerpt of an interview was aired yesterday that the meeting with Adam Lanza's father, Peter Lanza, was her idea. Her 6-year-old daughter, Emilie, died in the December shooting.

"I felt strongly that I needed to tell him something, and I needed to get that out of my system," she said. "I felt very motivated to do it and then I felt really good about it and prayed about it. And it was something that I needed to do."

It was unclear what they discussed or when the meeting took place. CBS planned to show the rest of the interview with Alissa and Robbie Parker this morning.

The Parkers told CBS they wanted to ask Lanza about his son's medical history, his and his ex-wife's relationships with Adam Lanza and other issues.

Robbie Parker was the first parent of a child killed at the school to speak publicly about the massacre. A day after the Dec. 14 killings, he spoke lovingly of Emilie at a wrenching, lengthy news conference.

"She was beautiful. She was blond. She was always smiling," he said, adding that the world was a better place because Emilie was in it. "I'm so blessed to be her dad." -- AP

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