NEW CASTLE, Del. -- Delaware police are looking to confirm that Rep. Anthony Weiner didn't send any inappropriate direct messages to a 17-year-old high school girl on a social networking site.

The girl's mother says her daughter, whose name is being withheld because she is a minor, told her that none of the messages she received from Weiner were inappropriate. The girl's family brought her laptop and cellphone to the police station Friday evening, police sources told FoxNews.com.

"The Tweets in question between the student in question and the congressman were not salacious or in any manner inappropriate, said Daniel McElhatton, the attorney representing the girl's family. "No photographs were ever sent to her or from her."

Weiner spokeswoman Risa Heller also said that Weiner's interactions with the girl "were neither explicit nor indecent."

The police are trying to verify that, McElhatton said.

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"I think that police just want some independent corroboration that there is nothing on her computer or cellphone that was inappropriate," he said. "They're looking to confirm it because it's their responsibility."

Sources say that much of the conversations between Weiner and the high schooler had been deleted from the girl's computer.

The girl posted on her now defunct Tumblr blog a quote that appears to be from her direct messages with Weiner.

"I came back strong. Large. In charge. Tights and cape s---... My favorite congressman," she wrote, adding a heart emoticon after "congressman."

Seven days earlier, she posted a YouTube video of Weiner giving a speech and wrote, "My true love."

A spokeswoman for Weiner did not immediately respond to FoxNews.com's email asking if the messages would be released. Weiner will request a leave of absence from the House to enter a treatment center.

McElahatton told Fox News that the girl "is still startled and upset."

"To be thrust into a national story for a 17-year-old high school student is unexpected," he said. "She is in a strong family circumstance and is coping."

Sources close to the student said the girl followed Weiner on Twitter after seeing him speak during a school trip to Washington on April 1. Weiner, after signing on to follow the girl's Twitter feed, direct-messaged the girl on April 13, the sources said, though it is not clear what other communication the two may have had between or after those dates. Weiner no longer follows the girl on Twitter.

The police probe comes as Weiner, who is married, fends off calls from both sides of the aisle in Congress for him to quit after he admitted to lying about his online and phone communications with a half dozen women over a three-year period.

At a news conference Monday, Weiner said those women were all adults "to the best of my knowledge," though he admitted that he couldn't know for sure. "All I know is what they publish about themselves in social media," he said.

The confession came after Weiner had lied for a week about how a photo of his bulging underwear was sent to all of his Twitter followers before he quickly deleted it. Weiner claimed his Twitter account was hacked and that he was the victim of a prank. In fact, he had intended to send the photo to a 21-year-old college student but accidentally made it public.

Fox News' Caroline Shively contributed to this report.