Millionaire real estate investor Peter Chadwick and his wife Q.C. vanished from their posh Newport Beach, California, home in the middle of the day. Hours later, Peter called 911 from a gas station near the Mexican border. Hear excerpts of what he had to say. Source

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

At least 22 people have died after a shooting at a Walmart in El Paso, Texas, on Saturday. Two, including an elderly woman, died of their wounds in the hospital. “CBS Evening News” anchor Norah O’Donnell shares the stories of those impacted by the attack, including a survivor, and grandparents whose family was inside the store at the time. Source

Carpenter Greg Zanis made his first cross after the 1996 murder of his father-in-law. The first mass shooting he went to was Columbine. Since then, he has provided thousands of wooden memorials at the site of tragedies across the country. Jonathan Vigliotti shares his story. Source

Among the mourners in El Paso was Greg Zanis. He’s a carpenter who delivers wooden crosses to mass shooting sites across the country. He then left for Dayton to do the same. “CBS Evening News” anchor Norah O’Donnell takes a moment to honor his mission and remember the victims. Source

Protesters and state Democrats in Ohio are calling for stricter gun control laws following a deadly shooting in Dayton. This comes as Gov. Mike DeWine says he’s open to discussing policy changes in the state. Jeremy Pelzer, a politics reporter for Cleveland.com, joins CBSN to discuss the state of gun laws in Ohio. Source

Police have yet to determine a motive for a shooting in Dayton, Ohio, that left nine dead. Newly released video shows people panicked and screaming as they took cover. Dean Reynolds reports. Source

Police said there was nothing in the background of 24-year-old Connor Betts that would have prevented him from purchasing the .223-caliber rifle with extended ammunition magazines that he used in the shooting Source

Nine people were killed — including the shooting suspect’s own sister — and 27 others were injured Source

American Outdoor Brands, the owner of Smith & Wesson, is having a harder time cashing in on “fear-based buying.” Source