10Sept22 - what are Mark Tinsley, FitsNews, Mandy Matney and Liz Farrell hiding? and why?

Why is the August 17th subpeonea for phone, SMS and IMessages so threatening to Mark Tinsley, Will Folks, Mandy Matney and Liz Farrell? The subpeonea requests info going back to the day before Mallory Beach is alleged to have died on February 24, 2019. What are they hiding from the public? What is the true nature of their relationship?