Recent tests show water filters handed out by the city might not be effective in removing lead from the water supply Source

Staffing shortages are a problem from Oregon to Oklahoma, where jobs often go unfulfilled because of high turnover Source

After the death of alleged sex trafficker Jeffrey Epstein, legal questions are focusing on his possible co-conspirators. Also, how much did Twitter play a role in spreading conspiracy theories about his death? CBS News’ Marc Liverman reports on the investigation, then CBSN legal contributor Rebecca Roiphe and CNET senior producer Dan Patterson join CBSN’s Elaine Quijano for a closer look. Source

Attorney General William Barr says he is “deeply concerned” by the death of Jeffrey Epstein while in federal custody over the weekend. The disgraced financier was found dead of an apparent suicide in his New York City jail cell Saturday morning. Washington Post national security reporter Matt Zapotosky joins CBSN’s Tanya Rivero to discuss the case. Source

The United States, on average, is far behind Delaware, boasting a save rate of just 76.6% Source

Authorities have charged a friend of the gunman in the Dayton mass shootingof lying on federal firearms forms. U.S. Attorney Benjamin Glassman told reporters Ethan Kollie bought body armor and a 100-round magazine for Connor Betts, who killed nine people on Aug. 4. Glassman said investigators have not found any evidence that Kollie took part in planning the shooting. Source

The teens were charged with second-degree murder in the death of Leonard Dyck and were suspects in the fatal shootings of Chynna Deese of North Carolina and Lucas Fowler of Australia Source

Banks, technology and consumer goods stocks slid on Monday, while the 10-year Treasury approached a record low Source

The NFL fired back at Antonio Brown’s helmet challenge, saying players must wear approved equipment in order to play. The Oakland Raiders wide receiver says his old helmet is safer than any newer model the NFL is pushing. CBSSports.com senior NFL columnist Pete Prisco joined CBSN to discuss the controversy and other preseason headlines. Source

Facebook confirms it has taken steps to shut down a propaganda campaign orchestrated by people linked to the Saudi government. The company says it has removed more than 350 fake accounts that published content aimed at garnering support for the kingdom and attacking its rivals. CNET senior producer Dan Patterson joined CBSN to discuss. Source