Northwestern University professor Nina Kraus is missing. What we know.

Northwestern University is requesting assistance from the public to help locate a faculty member who was reported missing over Labor Day weekend.

Nina Kraus, a professor at the university's School of Communication, was reported missing by her family on Monday, Sept. 1.

"The University is hopeful that with the community’s help, we can find Professor Kraus and assure her safety," the Chicago area campus said in a statement.

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