Leaders of the Maine gunman’s unit said he was “behaving erratically” while training at the U.S. Military Academy in New York last summer. Source

A major cold front will grip much of the central U.S. on the eve of Halloween. Freeze warnings were posted in more than a dozen states on Monday, from Arizona all the way to the Northeast. Source

The Biden administration announced on Monday that it would send cybersecurity experts to schools after a sharp rise in antisemitic and Islamophobic incidents amid the Israel-Hamas war. In recent days, Jewish students at Cornell University and others have expressed fear of being targeted. CBS News’ chief White House correspondent Nancy Cordes has the latest. Source

General Motors reached a tentative contract agreement with the United Auto Workers Union Monday, finally ending the 6-week-long strike. Source

Desperation was growing in Gaza Monday amid food and aid shortages. Israeli air strikes continue to kill civilians, including 3,200 children in the last 3 weeks, according to Hamas. Debora Patta reports. Source

Israel Defense Forces released new video Monday showing its tanks and troops pushing deeper into Gaza. Israel also announced an Israeli soldier who was held hostage was freed during an overnight operation. Charlie D’Agata has the latest. Source

Here’s a look at the top stories making headlines on the “CBS Evening News with Norah O’Donnell.” Source

A poll released Monday morning shows Haley tied with Florida Gov. Ron DeSantis in Iowa for second place, behind former President Trump. Source

“We cannot be beholden to the whims and personal grudges of a handful of people,” Ohio Rep. Max Miller said. Source

Mary Lou Retton said she was slowly recovering with family after being hospitalized with a rare form of pneumonia earlier this month. Source