Investigation into mass shooting in Dayton; Boy promotes kindness in wake of shooting. Source

Officials are trying to piece together why the Dayton shooter opened fire over the weekend, killing nine people. Now, the FBI is joining the investigation. Dean Reynolds reports. Source

FBI joins Dayton shooting investigation; 11-year-old El Paso boy starts kindness challenge. Source

“The Great Hack” is a new documentary on Netflix. The film specifically sheds new light on the Cambridge Analytica/Facebook data scandal. Carole Cadwalladr broke that story for The Guardian and The Observer. She joins CBSN’s Elaine Quijano to discuss the scandal. Source

Dozens of representatives have signed onto a letter by Reps. Veronica Escobar and Tom Malinowski calling for Congress to return Source

The lawsuit called the extension of the policy​ allowing immigration officers to deport migrants without requiring them to appear before judges as “dramatic” and “illegal” Source

Veronica Escobar’s predecessor in the congressional seat, 2020 hopeful Beto O’Rourke, has also publicly asked Mr. Trump not to come Source

NASA’s Cassini spacecraft ended its historic exploration of Saturn in 2017 and, slowly but surely, scientists are learning more about the ringed planet. Data from the 13-year mission helped scientists determine Saturn’s rings are much newer than the planet itself — and they’re disappearing. Source

Trump to visit Texas, Ohio in wake of shootings; Ohio Gov. pushing for ‘red flag’ gun laws Source

Three years after a spectacular on-pad explosion that destroyed an Israeli communications satellite, SpaceX boosted a Falcon 9 rocket into orbit Thursday night. The satellite will provide broadcast, broadband and high-speed data services across Africa. Watch the launch here. Source