Former MLB pitcher on trial for murder. New evidence in Karen Read. Plus, testifying anonymously.

In Placer County, California, a former MLB pitcher is on trial for allegedly gunning down his in-laws in their home. He says he didn't do it. A new expert testifies at the Karen Read retrial about data pulled from Read's car. He says it nails down the prosecution's timeline of what happened. The defense has a blistering response. Updates on the Menendez brothers and Lori Vallow Daybell. Plus, an attorney talks about witnesses who testify anonymously. 

Find out more about the cases covered each week here: www.datelinetruecrimeweekly.com