I believe you can get the gist from this news article. There's a point at which KR apparently adopts the accusatory voice of JOK's mother, which could be construed as mocking, and a point at which she says, "They're all lying", which can certainly be construed as smearing.
"A Body in the Snow" documents Karen Read's first trial for the alleged murder of her boyfriend John O'Keefe
www.nj.com
KR's shattered tail light pieces are at the scene. Unless all of those pieces were planted, including those found by SERT that Trooper Proctor had absolutely, positively no opportunity to plant, it is KR who is not telling the truth. And willing to smear.