Police in Lakeville, Indiana, say Jeff Pelley, 17, killed his family to make his 1989 prom night perfect. Source

Law enforcement officials have been trying for years to draw attention to the dangers posed by so-called ghost guns, which contain no registration numbers that could be used to trace them. Source

Shocking allegations about the Recording Academy are threatening to overshadow the Grammy Awards, which air on CBS Sunday night. The group’s suspended CEO Deborah Dugan says the Grammy nomination system is ridge. Randy Lewis, a staff writer for the LA Times, broke this story and has been talking to artists and industry insiders about the fallout. He joins “CBS This Morning.” Source

2020 candidate and Democratic Senator Elizabeth Warren speaks to “CBS This Morning” from Washington, D.C. where the Senate is due to here President Trump’s lawyers begin their defense in the impeachment trial Saturday. Source

A look back at what we’ve been covering on “CBS This Morning.” Source

Controversy erupted at a school board meeting on MLK Day. Source

Insys Therapeutics founder John Kapoor was sentenced to five and a half years for his role in bribing doctors to prescribe Subsys. Source

In a new statement, the Recording Academy is firing back against suspended CEO Deborah Dugan. It calls the allegations from Dugan “categorically false, misleading and wrong.” We’re also hearing from Grammy’s host Alicia Keys for the first time. Jamie Yuccas reports on the fallout. Source

The deadly coronavirus has now sickened more than 800 people, and new possible cases are popping up in the U.S. Source

Ten Chinese cities with a combined population of around 33 million people are now off limits as the coronavirus infects over 800 people around the world. In the U.S., 10 possible cases in California, one in Texas and one in Tennessee are in isolation awaiting CDC test results. Ramy Inocencio explains how people in Wuhan, the center of the outbreak, are dealing with isolation. Source