Rochester N.Y.- Testimony set to get underway today in the trials of Mark Scerbo and Meagan Merkel.
Each faces numerous criminal charges related to the death of Fairport high school teacher Heather Boyum last July.
Boyum was struck by a motorcycle driven by Scerbo while she was biking on Route 250 in the Town of Penfield. She was thrown into the path of Merkels car. Both face charges that include vehicular manslaughter and DWI.
The are being tried in the same courtroom. Two seperate juries hearing the case.