Article continues below advertisementBrooke Nevils is opening up about the traumatic experience she said forever changed her life.In an excerpt from her upcoming memoir, Unspeakable Things: Silence, Shame and the Stories We Choose to Believe, the former NBC talent assistant recounted her alleged 2014 rape by Matt Lauer, branding the disgraced Today show host a "monster."Article continues below advertisementNevils recalled that the incident occurred while she and Lauer were in Sochi, Russia, covering the Winter Olympics.