A 37-page letter, written to a friend named Jessica and obtained by the state and Waukesha County Sheriff's Office, appears to show instructions on how to fake a tape recording explaining the victim died by suicide.
Lynn Hernan died in October 2018. Prosecutors say she was poisoned. Jessy Kurczewski's defense team says it was suicide. Hernan's medical history was at the center of testimony on Thursday, Oct. 26.