Utah police say they found the charred remains of 23-year-old Mackenzie Lueck in the yard of the man accused of killing her. Jonathan Vigliotti reports. Source

A 9/11 hero is being remembered as a warrior and inspiration. Former New York City police detective Lou Alvarez spent months at the World Trade Center following the Sept. 11th attack. Then after developing cancer, he spent the rest of his life fighting the government. Kenneth Craig reports. Source

Here’s a look at the top stories making headlines on the “CBS Weekend News.” Source

Millions of Americans are in the grip of an oppressive heat wave this weekend. It stretches across more than six states in the nation’s midsection. Meanwhile, a line of severe thunderstorms is rolling across the northeast. Meteorologist Jeff Berardelli reports. Source

Donald Trump’s possible meeting with Kim Jong Un is being applauded by some Republicans. Sen. Lindsey Graham of South Carolina met with “Face The Nation’s” Margaret Brennan and says shaking hands with the North Korean leader is worth the effort. Source

The Los Angeles County Sheriff’s Department said the hiker was found after a week in “the wilderness.” Source

Sen. Lindsey Graham discusses Joe Biden’s performance in the first 2020 Democratic debate. Source

Sen. Lindsey Graham, R-South Carolina, discusses a possible meeting between President Trump and North Korean leader Kim Jong Un. Source

The Department of Justice is expanding its investigation into Boeing. According to the Seattle Times, investigators are now looking beyond the company’s 737 Max planes and to its 787 Dreamliners. The DOJ began investigating Boeing’s 737 Max following two deadly crashes in the past 12 months. Former National Transportation Safety Board member John Goglia joined CBSN to discuss. Source

The report said the killings and injuries were among 11,779 grave violations against children Source